AdTech Optics

AdTech Optics is a California-based company founded in 2001, specializing in the design, engineering, and manufacturing of mid-infrared semiconductor lasers based on quantum cascade technology. Located in City of Industry, California, AdTech Optics advanced beyond traditional semiconductor lasers in 2005, committing to the emerging field of quantum cascade lasers (QCLs). The company manufactures state-of-the-art mid-infrared QCLs for defense, environmental monitoring, and medical industries. AdTech Optics is a privately owned corporation employing approximately 35 people and received ISO 9001:2008 certification in 2015, demonstrating commitment to quality management. In January 2018, AdTech Photonics, Inc. acquired AdTech Optics, Inc., with the combined entity continuing to manufacture and expand the quantum cascade laser portfolio. AdTech’s QCL technology serves quantum sensing applications requiring mid-infrared spectroscopy, including trace gas detection, chemical identification, and environmental monitoring. The company’s quantum cascade lasers provide critical components for quantum sensing systems and spectroscopy applications across defense and scientific research sectors.

Advanced Diamond Technologies

Advanced Diamond Technologies (ADT) is a US materials company founded in 2003 that develops advanced diamond thin film materials and quantum-grade diamond products for quantum computing, quantum sensing, and quantum photonics applications, providing chemical vapor deposition (CVD) diamond films, diamond-on-insulator substrates, and custom diamond solutions with controlled nitrogen-vacancy centers and other quantum defects, serving quantum technology companies and research institutions with specialized diamond materials that enable quantum sensors, quantum memory devices, and quantum electronic applications requiring the exceptional properties of synthetic diamond for quantum information processing.

Advanced Research Systems

Advanced Research Systems designs and manufactures helium-free cryostats, flow cryostats, and cryogenic probe stations with temperature ranges from 1.5K to 800K for quantum research and materials science. Their probe stations feature fast vacuum pumping and sample exchange (130 minutes for 4-inch wafer), advanced probe thermalization enabling less than 5K sample temperatures, and configurations supporting magnetic fields up to 6T for quantum device testing. The company provides critical cryogenic infrastructure for quantum computing development and materials research.

Aeluma

Aeluma is a Goleta, California-based semiconductor company founded in 2019, developing quantum dot laser technology for silicon photonics applications in quantum computing and communication. The company pioneered advanced semiconductor manufacturing techniques using high-performance compound semiconductor materials on large-diameter substrates for mass-market microelectronics. Aeluma joined AIM Photonics as full industry member to accelerate quantum dot laser integration onto silicon photonics platforms using 300mm MOCVD capability. In May 2025, Aeluma and Thorlabs unveiled breakthrough large-diameter wafer manufacturing platform for quantum computing and communication, incorporating quantum dot sources and highly nonlinear electro-optic materials. The company trades on OTCQB under ticker ALMU, serving AI infrastructure, defense, aerospace, automotive, AR/VR, mobile, and quantum computing markets with photonic integrated circuit solutions.

Aerodyne Research

Aerodyne Research is a Massachusetts-based company founded in 1970, providing advanced research and development services and sensor products for environmental monitoring and atmospheric science. Headquartered in Billerica, Massachusetts, Aerodyne offers cutting-edge aerosol mass spectrometers, quantum cascade laser trace gas monitors, and particle monitoring systems. The company has commercialized compact gas analyzers based on quantum cascade lasers capable of detecting trace quantities of methane, N₂O, NO, NO₂, CO, CO₂, formaldehyde, formic acid, ethylene, acetylene, ammonia, and other gases at parts-per-billion concentrations. Aerodyne’s dual quantum cascade laser spectrometers incorporate pulsed QC lasers, compact multipass absorption cells, dual detectors, and sophisticated signal processing for atmospheric trace gas detection. Serving industrial, academic, and government customers for over 50 years, Aerodyne Research provides quantum sensing technologies for environmental research, climate monitoring, industrial emissions measurement, and air quality assessment. The company’s QCL-based instruments leverage quantum photonics for real-time, high-sensitivity gas detection supporting global environmental research initiatives.

Akela Laser

AKELA Laser Corporation is a New Jersey-based manufacturer of high-power laser diodes and custom photonic solutions serving medical, industrial, laser pumping, defense, and security applications. Founded in 2003 and relocated to its present facility in Jamesburg, NJ in 2014, AKELA provides a broad range of laser diodes with wavelengths ranging from 635nm to 2 microns. The company specializes in custom laser assemblies that offer any desired combination of light source, optics, cooling, and drivers tailored to specific application requirements. AKELA’s laser diode technology supports quantum photonics research, quantum sensing applications, and serves as critical components in quantum computing systems requiring precise optical control. With expertise in high-power diode laser manufacturing and custom photonic integration, AKELA Laser serves both commercial and government customers developing next-generation quantum technologies.

Aliro Quantum

Aliro Quantum is a US quantum networking software company founded in 2019 that develops quantum network orchestration and management software platforms for quantum communication networks, creating software solutions that enable the coordination, control, and optimization of quantum network resources across distributed quantum systems, providing network orchestration tools, quantum routing protocols, and network management systems that enable organizations to deploy, operate, and scale quantum communication networks for secure communications, distributed quantum computing, and quantum internet applications requiring sophisticated software-defined quantum networking capabilities.

Amazon Braket

In 2024-2025, Amazon Braket expanded significantly through partnerships and hardware additions. NVIDIA and AWS announced a collaboration to advance quantum computing research by integrating NVIDIA’s quantum-classical computing platform, NVIDIA CUDA-Q, with Amazon Braket, allowing researchers to leverage hybrid quantum-classical workflows. IQM Quantum Computers made its 20-qubit quantum processing unit, IQM Garnet, available through Amazon Braket in the AWS Europe (Stockholm) Region, marking the first quantum processing unit available to AWS customers within the European Union in a self-service, on-demand model. IonQ announced continued collaboration with AWS, making IonQ’s Forte system (delivering 36 algorithmic qubits) available on Amazon Braket. Amazon Braket continues to provide access to multiple quantum hardware providers including QuEra’s 256-qubit Aquila neutral atom system, supporting the AQC25 conference bringing together stakeholders from MIT, Yale, USC, Google Quantum AI, and others.

AMD

Advanced Micro Devices Inc. (AMD) is an American semiconductor company founded in 1969, headquartered in Santa Clara, California, developing computer processors and graphics technologies. AMD explores quantum computing partnerships providing high-performance classical computing infrastructure for quantum-classical hybrid algorithms and quantum simulation workloads. The company processors power classical computing components of quantum systems including quantum control systems, quantum simulation platforms, and quantum software development environments. AMD collaborates with quantum computing companies and quantum cloud providers optimizing classical computing infrastructure for quantum workloads. AMD serves quantum computing industry, cloud providers, and research institutions requiring high-performance classical computing for quantum-classical hybrid systems and quantum algorithm development advancing quantum-classical computing integration and quantum software development capabilities.

American Magnetics

American Magnetics Inc. (AMI) is an American manufacturer of superconducting magnet systems founded in 1968, headquartered in Oak Ridge, Tennessee. AMI provides superconducting magnets, cryogenic equipment, and magnet power supplies used in quantum computing research and quantum technology development. The company superconducting magnet systems enable precise magnetic field control required for quantum experiments, quantum materials research, and quantum device testing. AMI serves quantum computing companies, research universities, national laboratories, and quantum technology developers requiring high-performance superconducting magnets for quantum research and quantum processor development. The company contributes to quantum technology supply chain providing essential magnetic field control infrastructure for quantum computing hardware development and quantum physics experiments advancing practical quantum computer implementations.

Amplify Quantum

Amplify platform (not to be confused with Fixstars Amplify) integrates an array of advanced backend technologies including quantum annealing, Ising machines, and gate-model quantum computers to provide solutions for tackling complex optimization challenges. The company has made a notable commitment to quantum annealing technology for practical optimization applications. Amplify provides software tools and consulting services helping businesses formulate optimization problems suitable for quantum computing approaches. The platform supports multiple quantum and quantum-inspired hardware backends, providing flexibility in solving different types of optimization problems. Amplify works with clients in logistics, finance, and manufacturing to deploy quantum optimization solutions. The company focuses on identifying practical use cases where quantum approaches can deliver near-term business value.

AmpliTech Group

AmpliTech Group, Inc. (Nasdaq: AMPG) is a designer, developer, and manufacturer of state-of-the-art signal processing components for satellite, Public and Private 5G, and quantum computing networks. In December 2024, AmpliTech announced successful development of proprietary low-noise cryogenic High Electron Mobility Transistor (HEMT) amplifiers for quantum computing, delivering working units to two Fortune 50 companies, universities, and research institutions. The amplifiers enable quantum computers to operate efficiently at extremely low temperatures of 4 Kelvin (-452°F), minimizing noise at ultra-low temperatures for accurate quantum signal detection. AmpliTech positions itself as the only high-performance U.S. manufacturer offering this critical component at 4K temperatures. The USPTO issued a Notice of Allowance for AmpliTech’s patent application related to their cryogenic quantum computing solution. The amplifiers support development of scalable, error-corrected quantum computers crucial for advancing AI capabilities.

Analog Devices

Analog Devices develops quantum control electronics and precision analog components for quantum computing applications, leveraging their expertise in high-performance analog and mixed-signal integrated circuits to create specialized electronics for quantum state control, measurement, and signal processing in quantum systems, providing essential electronic components and systems that enable precise manipulation and readout of qubits in various quantum computing platforms including superconducting, trapped ion, and photonic quantum computers.

Company Information

• Founded: 2020
• Country: United States
• Website: https://analog.com
• Categories: hardware

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Analog Physics

Analog Physics develops QAI (Quantum AI), a reflexive symbolic AI platform powered by quantum-inspired processors for autonomous decision-making in mission-critical settings. Unlike neural networks, QAI employs clause-based reasoning in real time using simulated Plutonium-241 atoms as 36-dimensional quantum processing units to increase information density compared to traditional qubits. The company operates differently from neural networks by using clause-based reasoning in real time, currently focused on drone applications offering autonomous piloting services including swarm capabilities. Based in Montana, Analog Physics provides access to QAINET, a QAI platform more advanced than traditional neural networks.

Anametric

Anametric is building quantum photonic chips for cybersecurity, serving as a key part of Leidos’ DARPA QuANET program after six years of development. The Austin company develops integrated photonic quantum devices. Anametric’s quantum photonic chips enable secure quantum communications and quantum key distribution, addressing cybersecurity needs for defense and critical infrastructure applications.

Company Information

• Founded: 2017
• Country: United States
• Website: https://anametric.com
• Categories: quantum components, quantum security

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Andreessen Horowitz

Andreessen Horowitz is an American private venture capital firm founded 2009 in Menlo Park California. Andreessen Horowitz participated in Rigetti Computing $40M Series B funding round in 2017 alongside other quantum investors. The firm also joined Lux Capital and others in Series A round valued at $24M in 2016 for Rigetti. Andreessen Horowitz invests in quantum computing startups across hardware software and applications focusing on transformative quantum technologies. The firm serves quantum technology entrepreneurs requiring venture capital funding for quantum computing companies and quantum technology commercialization. Andreessen Horowitz provides strategic guidance network access and operational support to quantum startups advancing quantum technology ecosystem and quantum computing industry development.

Angstrom AI

Ångström AI is a Cambridge University spin-out founded in 2024 by Javier Antoran, Jose Miguel Hernandez Lobato, and Laurence Midgley, building GenAI-based molecular simulations to substitute wet lab experiments in pre-clinical drug development. The team consists of 2 PhDs and 2 Professors from the University of Cambridge who combined breakthroughs in quantum-accurate models of physics and generative AI models. Ångström AI’s innovation centers on the MACE (multi-atomic cluster expansion) physics model developed by Gabor Csanyi. Biotech and pharma clients verify efficacy and safety of new drug candidates using computer simulations that match wet lab experiment accuracy but are over 100x faster. The company is backed by Y Combinator and based in San Francisco, California, with 5 employees. Ångström AI represents the first company to develop physically accurate gen-AI based simulation of multiple molecules interacting.

Antaris

Antaris is a digital space platform company founded in 2021 and headquartered in Los Altos, California, simplifying the design, simulation, and operation of satellites. In March 2024, Antaris partnered with SpeQtral to jointly deploy quantum-safe key distribution satellites, integrating SpeQtral’s quantum payloads with Antaris SatOS space vehicle software and partner bus platforms. The partnership expects to deliver the first customer spacecraft to orbit from as early as 2026, enabling commercial quantum-secure satellite communications. Antaris brings expertise from Planet Labs, Microsoft, Diamanti, CoreOS, and AMD to quantum space communications. The company raised $14.16 million to develop its satellite operating system and quantum payload integration capabilities. Antaris serves government agencies, defense organizations, telecommunications operators, and commercial satellite operators requiring quantum-safe communications from space for critical infrastructure protection.

AOSense

AOSense is a US quantum sensing company founded in 2004 as a Stanford University spinout by Brenton Young and Mark Kasevich that develops atom-optic quantum sensors for inertial navigation, precision timing, and gravity measurement, commercializing cold atom interferometry technology for compact gravimeters, accelerometers, gyroscopes, and atomic clocks that achieve laboratory-grade performance in portable field-deployable systems, serving DARPA, NASA, Air Force, Army, Navy, and intelligence community with quantum sensors for geophysical surveying, precision navigation, resource exploration, and underground monitoring applications that leverage laser-cooled atoms as ultra-precise test masses for measuring gravitational and inertial forces.

AOSense Defense

AOSense develops quantum inertial measurement units (IMUs) and gravimeters for GPS-denied navigation with Boeing partnership and Lockheed Martin contract work with Q-CTRL. The Sunnyvale company manufactures cold atom inertial sensors. AOSense’s quantum sensors enable precision navigation for aircraft, ships, and submarines in environments where GPS is unavailable or unreliable, serving defense and aerospace applications.

Company Information

• Founded: 2004
• Country: United States
• Website: https://aosense.com
• Categories: quantum sensing, navigation

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AOSense Inc.

AOSense is a California company developing cold atom sensors for gravity, rotation, and magnetic field measurement using atom interferometry technology. The company manufactures quantum sensors for navigation, geophysical surveying, and fundamental physics research. AOSense’s atom interferometer-based sensors provide ultra-precise measurements of inertial forces and gravity, serving defense applications including GPS-denied navigation, as well as scientific and commercial applications in geophysics and mineral exploration.

Company Information

• Founded: 2004
• Country: United States
• Website: https://aosense.com
• Categories: quantum sensing, gravimeters

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ApexQubit

ApexQubit is a US quantum software company founded in 2021 that develops quantum computing software platforms and tools for quantum algorithm development, quantum circuit optimization, and quantum application deployment, providing software solutions that enable researchers and enterprises to harness quantum computing capabilities for solving complex computational problems across various industries including finance, optimization, and scientific computing, with focus on making quantum computing more accessible through user-friendly software interfaces.

Company Information

• Founded: 2021
• Country: United States
• Website: https://apexqubit.com
• Categories: software

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Argonne National Laboratory

Argonne National Laboratory is a USA national laboratory founded July 1, 1946, located in Lemont, Illinois, operated by University of Chicago for United States Department of Energy. Argonne pursues research spanning theory, algorithms, simulations, and modeling of quantum systems leveraging supercomputing resources and multi-qubit hardware platforms. The laboratory operates quantum computing testbeds integrating quantum processors with high-performance computing infrastructure enabling hybrid quantum-classical algorithms. Argonne conducts quantum computing research across superconducting qubits, quantum algorithms, quantum networking, and quantum simulation applications. The laboratory is one of five DOE National Quantum Information Science Research Centers with over 1,500 experts collaborating across quantum research initiatives. Argonne serves scientific research community, government agencies, and industry partners requiring quantum computing applications in chemistry, materials science, optimization, and machine learning advancing quantum computational advantage for national security and energy applications.

AT&T Quantum

AT&T is researching quantum technologies for telecommunications applications including quantum key distribution, quantum-safe cryptography, and quantum networking infrastructure for secure communications. The company explores quantum technologies for network optimization, quantum-enhanced security protocols, and quantum communication systems that could provide ultra-secure connectivity for government, enterprise, and consumer applications. AT&T collaborates with quantum technology companies and research institutions to develop quantum networking capabilities, investigate quantum advantages for telecommunications infrastructure, and prepare network systems for quantum-safe security implementations. The company’s quantum research focuses on practical quantum applications that could enhance network security, improve communication reliability, and enable new quantum-enhanced services for customers requiring the highest levels of security and performance.

Atlantic Quantum

In October 2024, Google Quantum AI announced that the Atlantic Quantum team, an MIT-founded startup known for its tightly integrated hardware, will join Google. Atlantic Quantum brings a modular chip architecture that fuses qubits with superconducting control electronics on a single substrate, embedding control circuitry within the cold stage to eliminate bulky room-temperature wiring and reduce thermal load on the cryostat. This partnership signals a decisive step toward scaling superconducting qubit systems, a critical hurdle on the road to a fully error-corrected, real-world quantum computer. By adopting Atlantic Quantum’s stack, Google can accelerate deployment of larger qubit arrays while keeping error rates within bounds required for surface-code error correction. The acquisition enables Google to leverage Atlantic Quantum’s expertise in creating compact, high-density modules and integrating cryogenic electronics, which improves signal fidelity and allows for rapid iteration of qubit designs.

Atlas Technologies

Atlas Technologies specializes in bimetallic (dissimilar metal) joining technology for Ultra High Vacuum (UHV) and Extreme High Vacuum (XHV) applications essential for quantum computing. The company manufactures custom UHV/XHV chambers and bimetal components using proprietary techniques to bond aluminum, titanium, and other metals. Atlas vacuum chambers achieve outgassing rates below 1 x 10-13 Torr liter/sec cm² making them suitable for quantum science applications. Their products offer no magnetic impact, low hydrogen and carbon contamination, maximum thermal performance, and excellent vibration dampening. Quantum and cryogenic researchers worldwide rely on Atlas for developing chambers that meet exacting UHV/XHV criteria in quantum computing systems.

Atom Computing

In 2024-2025, Atom Computing became the first company to cross the 1,000-qubit threshold for a universal gate-based quantum system, creating a 1,225-site atomic array populated with 1,180 qubits in its next-generation neutral atom quantum computing platform. Atom Computing was recognized by Fast Company as one of the world’s most innovative companies in 2025 for its advancements in neutral atom quantum computing. In a major milestone, Microsoft and Atom Computing achieved record-breaking quantum entanglement by creating and entangling 24 logical qubits on a commercial quantum machine, and also used 28 logical qubits to perform successful computations based on the Bernstein-Vazirani algorithm, producing more accurate solutions than the corresponding computation based on physical qubits. These achievements demonstrate Atom Computing’s leadership in neutral atom technology and logical qubit operations.

Auriga Cyber Ventures

Auriga Cyber Ventures is an American venture capital firm founded in 2021, focusing on investments in cybersecurity and quantum security companies. The firm participated in CryptoNext Security’s 11 million euro funding round in December 2023, supporting post-quantum cryptography companies advancing quantum-safe security solutions. Auriga Cyber Ventures invests in early-stage and growth-stage companies developing quantum security, post-quantum cryptography, quantum key distribution, and quantum-safe communications technologies. The firm brings cybersecurity expertise and strategic support to quantum security startups addressing the quantum threat to current cryptographic systems. Auriga Cyber Ventures serves as investor and strategic advisor to quantum security companies, post-quantum cryptography developers, quantum communications providers, and cybersecurity innovators building quantum-safe solutions. The firm focuses on identifying and supporting companies developing practical quantum security solutions for enterprise, government, and critical infrastructure markets preparing for the post-quantum cryptography era and quantum computing threats to data security.

AWS

Amazon Web Services (AWS) provides Amazon Braket, a fully managed quantum computing service enabling researchers and developers to explore, evaluate, and experiment with quantum computing. Launched in 2019 and generally available in 2020, Amazon Braket offers access to quantum hardware from multiple providers including Rigetti’s 84-qubit Ankaa-2 processor (integrated 2024), IonQ, D-Wave, and Oxford Quantum Circuits. Amazon Braket hybrid jobs allow developers to execute hybrid quantum-classical algorithms combining quantum and classical computing resources. The service includes quantum circuit simulators, algorithm libraries, and development tools. AWS operates quantum computing through its cloud infrastructure, enabling customers to access quantum processors without managing physical hardware. Amazon Braket serves researchers, developers, and enterprises exploring quantum applications in optimization, machine learning, and scientific simulation.

Ayar Labs

Ayar Labs is an MIT spin-out pioneering optical I/O chiplets that integrate silicon photonics with CMOS electronics, featuring 70 million transistors and over 10,000 optical devices per chip. The company partners with GlobalFoundries, TSMC, Intel, and AMD for high-volume manufacturing of in-package optical interconnect solutions including the SuperNova light source and TeraPHY optical I/O chiplet. Ayar Labs raised $155 million Series D led by Intel, AMD, and Nvidia, with commercial offerings expected between projected 2026-2028 for AI infrastructure and data center applications.

Bank of America

Bank of America Corporation is an American multinational investment bank and financial services company founded in 1904, headquartered in Charlotte, North Carolina. Bank of America explores quantum computing for financial services including risk modeling, fraud detection, portfolio optimization, and financial modeling. The company filed numerous quantum computing patents for financial applications and collaborates with quantum computing providers exploring quantum advantage for banking operations. Bank of America investigates quantum algorithms for credit risk assessment, trading optimization, and financial forecasting. The company serves global banking markets requiring quantum-enhanced computational capabilities for financial services. Bank of America advances quantum computing research in financial industry contributing to quantum technology adoption in banking sector and preparing for quantum advantage in computational finance and risk management.

Barber-Nichols

Barber-Nichols was founded in 1966 by Bob Barber and Ken Nichols as turbomachinery engineering company located in Arvada, Colorado, a suburb of Denver. The company manufactures vacuum jacketed extended shaft pumps, circulators, blowers, and compressors for use in cryogenic systems to optimize system performance. Since 1976 when Barber-Nichols designed and manufactured its first cryogenic pump, these custom-manufactured and engineered products have served broad range of demanding and sensitive applications. Barber-Nichols cryogenic pumps are used in physics research applications including CERN ATLAS detector pumping liquid helium coolant through superconducting magnetic coils. The company provides cryogenic pumping solutions for quantum computing systems requiring liquid nitrogen and liquid helium circulation at ultra-low temperatures. Barber-Nichols serves quantum computing manufacturers, physics research facilities, and cryogenic system providers requiring specialized pumps for dilution refrigerators and quantum processor cooling infrastructure.

BBN Technologies

BBN Technologies (Raytheon BBN Technologies) is a high-technology research and development company based in Cambridge, Massachusetts, founded in 1948, conducting superconducting quantum computing research. BBN Technologies is recognized among companies conducting research in superconducting quantum computing alongside Google, IBM, Rigetti, and Intel. The organization developed quantum communication protocols and quantum networking technologies, contributing to early quantum key distribution systems and quantum network architectures. BBN Technologies, now part of Raytheon Technologies, conducts quantum computing research focused on quantum processors, quantum networking, and quantum algorithms. The company serves government agencies and research institutions requiring advanced quantum technologies for secure communications, quantum computing infrastructure, and quantum information processing applications.

BCG

Boston Consulting Group (BCG) is a global management consulting firm founded in 1963, providing quantum computing consultancy services through its BCG X AI Science Institute. In September 2025, BCG X joined the QuEra Quantum Alliance to accelerate development and adoption of quantum solutions, combining BCG’s digital strategy and transformation expertise with quantum computing capabilities. BCG delivers end-to-end quantum services from strategy and use case discovery to application codesign, benchmarking, and integration, helping clients progress from prioritized use cases to validated quantum prototypes. BCG X employs nearly 3,000 technologists, scientists, programmers, engineers, and designers across 80+ cities globally. BCG projects quantum computing will create $450 billion to $850 billion of economic value globally, sustaining a $90 billion to $170 billion market for hardware and software providers by 2040. BCG expects enterprise-grade quantum computing achieving positive ROI for applications could come as early as 2025-2026.

Benchpress

Benchpress is a comprehensive quantum benchmarking tool developed by IBM Research to help evaluate quantum computing SDKs and stacks. Released in September 2024, Benchpress consists of over 1,000 tests measuring key performance metrics for operations on quantum circuits with up to 930 qubits and O(10^6) two-qubit gates. The benchmarking suite evaluates quantum software development kits including Braket, BQSKit, Cirq, Qiskit, Qiskit Transpiler Service, Staq, and Tket. Described in a paper titled ‘Benchmarking the performance of quantum computing software’ and addresses the need for systematic evaluation of quantum software tools. Benchpress provides standardized metrics for comparing quantum circuit creation, manipulation, and compilation performance across different platforms. Open-source tool helping the quantum computing community make informed decisions about software stack selection.

Berkeley Nucleonics Corporation

Berkeley Nucleonics Corporation produces the world’s fastest 16-bit AWG (Model 685) for quantum computing with 6.16 GS/s sample rate and 110ps rise time, used for qubit control in research laboratories. The company manufactures high-performance arbitrary waveform generators, pulse generators, and timing instruments essential for quantum computing control systems. Berkeley Nucleonics’ Model 685 AWG represents the state-of-the-art in quantum control electronics, enabling researchers to generate the precise, fast waveforms needed to manipulate quantum states with high fidelity.

Bessemer Venture Partners

Bessemer Venture Partners is a major VC firm with active quantum computing investments across hardware and software companies. The historic venture capital firm has invested in quantum computing startups developing quantum processors, quantum software platforms, and quantum applications. Bessemer brings over a century of investment experience and extensive portfolio company support to help quantum startups grow from early stage through IPO or acquisition.

Company Information

• Founded: 1911
• Country: United States
• Website: https://www.bvp.com
• Categories: venture capital

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Bleximo

Bleximo is a Berkeley-based quantum computing startup founded in 2017 that develops application-specific quantum accelerators using superconducting qubits, pioneering a co-design methodology that tailors quantum processors, control hardware, and algorithms to solve specific high-value problems rather than building general-purpose systems, providing enhanced performance and shorter time-to-market for applications in finance, pharmaceuticals, logistics, and advanced materials through their full-stack superconducting quantum computing platform.

Company Information

• Founded: 2017
• Country: United States
• Website: https://bleximo.com
• Categories: hardware

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BlueQubit

BlueQubit is a US quantum software company founded in 2022 that develops quantum algorithms and software platforms for quantum computing applications, focusing on creating accessible quantum development tools and algorithm implementations that enable researchers and developers to build and deploy quantum applications across various quantum hardware platforms, providing software solutions for optimization, machine learning, and simulation problems that can benefit from quantum computing approaches.

Company Information

• Founded: 2022
• Country: United States
• Website: https://bluequbit.io
• Categories: software

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Boeing

Boeing Company is an American multinational aerospace corporation founded July 15, 1916, headquartered in Arlington, Virginia, developing quantum networking and quantum communication technologies through Disruptive Computing & Networks unit serving as company’s nexus for quantum research and development. Boeing announced planned 2026 launch of Q4S satellite designed to demonstrate quantum entanglement swapping capabilities on orbit, positioned as world’s first quantum entanglement swapping demonstration aboard satellite. Boeing partnered with Chicago Quantum Exchange with $3.5 million investment supporting quantum research and talent development in quantum communications and sensing. Boeing partnered with IBM Quantum on optimization problems for composite materials design used in aircraft wings, joined Northwest Quantum Nexus at University of Washington alongside AWS, and signed DOE’s Quantum in Space Collaboration focusing on quantum technologies for space applications. Boeing builds quantum networks connecting quantum devices globally for secure communications and enhanced sensing capabilities serving aerospace and defense quantum technology requirements.

Boston Consulting Group

Boston Consulting Group (BCG) is an American global management consulting firm founded in 1963, headquartered in Boston, Massachusetts. BCG provides quantum computing strategy consulting including quantum technology assessment, quantum business transformation, quantum market analysis, and quantum investment strategies. The company quantum practice publishes research on quantum computing market trends, quantum technology adoption, and quantum industry development. BCG collaborates with quantum computing companies advising on quantum business strategy and quantum commercialization. BCG serves technology companies, financial institutions, and enterprises requiring quantum strategy consulting and quantum technology guidance. BCG advances quantum industry development through quantum market research, quantum strategy consulting, and quantum ecosystem analysis supporting quantum technology commercialization and enterprise quantum adoption worldwide.

Boston Consulting Group Quantum

Boston Consulting Group operates a dedicated quantum computing practice advising on quantum strategy, use case identification, and implementation planning. BCG helps organizations across industries understand quantum computing’s potential business impact and develop quantum strategies. The major consultancy provides market analysis, competitive intelligence, and strategic planning support for enterprises investing in quantum computing capabilities and preparing for quantum technology disruption.

Company Information

• Founded: 1963
• Country: United States
• Website: https://www.bcg.com
• Categories: consulting

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BQSKit

Berkeley Quantum Synthesis Toolkit (BQSKit) is a powerful and portable quantum compiler framework developed at Lawrence Berkeley National Laboratory. BQSKit is an optimizing quantum compiler and research vehicle combining ideas from several LBNL projects into one easily accessible and quickly extensible software package. Stands as end-to-end compiling solution by combining state-of-the-art partitioning, synthesis, and instantiation algorithms. Uses unique strategy combining circuit partitioning, synthesis, and instantiation to optimize circuits far beyond traditional optimizing compilers. Incorporates QFAST, QSearch, LEAP, and QFactor software tools. Available for Python 3.8+ on Linux, macOS, and Windows. Free and open-source with BSD license, available on GitHub and PyPI. Version 1.2.0 released September 2024, version 1.1.2 released April 2024.

Broadcom

Broadcom develops quantum photonics components and integrated photonic solutions for quantum computing and quantum communication applications, leveraging their semiconductor and photonics expertise to create specialized components including quantum light sources, photonic integrated circuits, and optical components essential for photonic quantum systems, providing the foundational photonic infrastructure needed for scalable photonic quantum computing, quantum networking, and quantum sensing applications through advanced silicon photonics technology.

Company Information

• Founded: 2021
• Country: United States
• Website: https://broadcom.com
• Categories: hardware

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Brookhaven National Laboratory

Brookhaven National Laboratory is a USA national laboratory founded in 1947, located in Upton, New York, operating under United States Department of Energy. Brookhaven leads Co-design Center for Quantum Advantage (C2QA), one of five DOE National Quantum Information Science Research Centers established in 2020, directed by Andrew Houck. C2QA brings together experts to co-design quantum hardware, software, and algorithms to achieve quantum advantage. The laboratory conducts quantum computing research spanning superconducting qubits, quantum algorithms, quantum networking, and quantum sensors. Brookhaven operates quantum computing testbeds and collaborates with over 1,500 experts across 115 academic, industry, and national science institutions. The laboratory serves quantum computing research community, government agencies, and industry partners requiring fundamental quantum research, quantum algorithm development, and quantum hardware co-design advancing towards practical quantum advantage for scientific applications in physics, chemistry, materials science, and national security.

Caltech

California Institute of Technology is a private research university founded September 23 1891 located in Pasadena California prominent leader in quantum research through Institute for Quantum Information and Matter focusing on theoretical and experimental aspects of quantum information science including quantum computation and quantum many-body physics. In September 2025, Caltech scientists built a record-breaking array of 6,100 neutral-atom qubits, announced on September 25, 2025, representing a critical step toward powerful error-corrected quantum computers and demonstrating Caltech’s leadership in neutral atom quantum computing technology. The upcoming Dr. Allen and Charlotte Ginsburg Center for Quantum Precision Measurement set to open in 2025 will bolster capabilities uniting quantum research disciplines. Caltech conducts quantum research spanning quantum algorithms quantum error correction quantum materials quantum sensors quantum networks and quantum simulation. The university quantum programs have produced numerous breakthrough discoveries and quantum technology spinouts including PINC Technologies serving quantum research community through fundamental quantum research and quantum education programs.

Centice

Centice is a North Carolina-based company developing chemical verification and identification technology using quantum sensing principles. The company received funding from Quantum Wave Fund and creates advanced sensors for detecting and analyzing chemical compounds in various applications including security, environmental monitoring, and industrial process control. Centice’s technology enables rapid, accurate chemical identification in the field.

Company Information

• Founded: 2013
• Country: United States
• Website: https://centice.com
• Categories: quantum sensing

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Ciena

Ciena Corporation is an American telecommunications networking equipment and software services company founded in 1992, headquartered in Hanover, Maryland. Ciena develops quantum-safe networking solutions including quantum key distribution (QKD) integration, post-quantum cryptography implementations, and quantum-secure optical networks. The company WaveLogic coherent optical technology supports quantum communication infrastructure and quantum networking deployments. Ciena collaborates with telecommunications operators and quantum technology providers advancing quantum-safe network infrastructure. The company serves global telecommunications markets, enterprise networks, cloud providers, and government agencies requiring quantum-safe communications and post-quantum security. Ciena invests in quantum networking research preparing telecommunications infrastructure for quantum internet and quantum-enhanced networking protecting network security against emerging quantum computing threats to current encryption standards.

Circor

Circor International is a Massachusetts-based manufacturer founded in 1999, providing cryogenic valves, vacuum insulated products, cryogenic filters, and complex vacuum insulated piping systems for quantum computing and aerospace applications. The company manufactures specialized cryogenic components for ultra-low temperature systems including dilution refrigerators used in quantum computing. Circor’s cryogenic valves and vacuum-insulated piping systems enable precise control of cryogenic fluids in quantum processor cooling infrastructure operating at millikelvin temperatures. The company’s products support quantum computing cryogenic systems requiring reliable fluid management for liquid helium and liquid nitrogen cooling. Circor serves quantum computing manufacturers, aerospace companies, research laboratories, and cryogenic equipment providers requiring high-performance cryogenic valves and vacuum-insulated components for quantum processors, superconducting systems, and ultra-low temperature research applications. Circor’s cryogenic expertise supports quantum computing infrastructure requiring specialized fluid handling at extreme temperatures.

Cisco

Cisco Systems Inc. is a San Jose-based technology company founded in 1984, developing quantum networking technology and quantum internet infrastructure through Cisco Quantum Labs established in Santa Monica and San Jose facilities. In May 2025, Cisco formally opened its Quantum Labs facility in Santa Monica, unveiling industry-first quantum technologies including network-aware distributed quantum compiler enabling quantum algorithms across multiple networked processors, vendor-agnostic quantum networking framework, and prototype quantum entanglement chip developed with UC Santa Barbara generating one million entangled photon pairs per second at room temperature. Cisco’s quantum networking vision accelerates practical quantum computing applications from decades to 5-10 years, creating foundation for quantum internet. Cisco announced industry-first compiler supporting distributed quantum error correction, working with any quantum computing technology to enable scalable quantum data centers and quantum communication networks worldwide. In September 2025, Cisco expanded its quantum networking software portfolio with enhanced network orchestration capabilities for quantum key distribution (QKD) networks, enabling enterprise-grade quantum-safe communications infrastructure and integration with existing network management systems for hybrid classical-quantum network deployments.

Cisco Quantum Labs

Cisco Quantum Labs is Cisco Systems Inc.’s quantum networking research division established in Santa Monica and San Jose facilities, founded in 2021. In May 2025, Cisco formally opened its Quantum Labs facility in Santa Monica, unveiling industry-first quantum technologies including network-aware distributed quantum compiler enabling quantum algorithms across multiple networked processors, vendor-agnostic quantum networking framework, and prototype quantum entanglement chip developed with UC Santa Barbara generating one million entangled photon pairs per second at room temperature. Cisco’s quantum networking vision accelerates practical quantum computing applications from decades to 5-10 years, creating foundation for quantum internet. In September 2025, Cisco expanded its quantum networking software portfolio with enhanced network orchestration capabilities for quantum key distribution (QKD) networks, enabling enterprise-grade quantum-safe communications infrastructure and integration with existing network management systems for hybrid classical-quantum network deployments. Cisco Quantum Labs serves telecommunications operators, enterprises, government agencies, and cloud providers requiring quantum networking infrastructure.

Citigroup

Citigroup Inc. is an American multinational investment bank and financial services corporation founded in 1998 (through merger of Citicorp and Travelers Group), headquartered in New York City. Citigroup explores quantum computing applications for financial services including derivatives pricing, risk management, portfolio optimization, and fraud detection. The company collaborates with quantum computing providers and quantum software companies developing quantum algorithms for banking applications. Citigroup investigates quantum machine learning for financial data analysis and quantum optimization for trading strategies. The company serves global financial services markets requiring quantum-enhanced computational capabilities for complex financial calculations. Citigroup advances quantum computing adoption in banking industry preparing for quantum advantage in computational finance and demonstrating practical quantum applications for investment banking and financial risk management.

Cognizant

Cognizant Technology Solutions Corporation is an American multinational information technology services and consulting company founded in 1994, headquartered in Teaneck, New Jersey. Cognizant explores quantum computing consulting services including quantum strategy development, quantum use case identification, and quantum technology assessment for enterprise clients. The company collaborates with quantum computing providers offering quantum expertise and quantum implementation guidance across industries. Cognizant investigates quantum applications for financial services, healthcare, manufacturing, and technology sectors. The company serves global enterprises requiring quantum consulting and quantum readiness programs preparing for quantum technology adoption. Cognizant advances quantum technology commercialization providing quantum advisory services and quantum education supporting enterprise quantum transformation and quantum computing integration for business process optimization and computational advantage.

Coherent

Coherent is a vertically integrated supplier of lasers, photonic devices, and laser measurement systems for communications, electronics, and instrumentation markets. The company manufactures silicon photonics, VCSEL arrays, lenses, filters, isolators, laser sources, and measurement equipment serving quantum photonics applications, industrial processing, and optical networking. Coherent provides comprehensive coherent transceivers and modules for global communications networks and quantum systems. The company was formed through the 2022 merger of II-VI and Coherent Inc.

Coherent Corp.

Coherent is an American photonics company supplying laser modules and optical components for quantum computing and quantum sensing applications. The company manufactures a broad range of lasers including ultrafast lasers, continuous-wave lasers, and optical components. Coherent serves the quantum technology industry with laser systems for trapped ion quantum computers, photonic quantum processors, and quantum sensing platforms, providing critical optical components across quantum technology applications.

Company Information

• Founded: 1966
• Country: United States
• Website: https://www.coherent.com
• Categories: photonics, quantum components

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Columbia University

Columbia University is a private Ivy League research university founded in 1754, located in New York City. Columbia conducts quantum research through Department of Physics and quantum engineering programs advancing quantum computing quantum materials and quantum technologies. The university researchers contribute to quantum algorithms quantum hardware and quantum applications development. Columbia collaborates with quantum companies and maintains quantum research partnerships. The university serves quantum research community through quantum research quantum education and technology transfer advancing quantum information science. Columbia contributes to USA quantum technology ecosystem supporting quantum innovation and quantum technology development representing New York quantum research excellence.

Comcast

Comcast Corporation is an American telecommunications conglomerate founded in 1963, headquartered in Philadelphia, Pennsylvania. Comcast explores quantum-safe security for cable and telecommunications networks investing in post-quantum cryptography to protect communications infrastructure. In October 2025, Comcast launched a quantum lab and began trials using quantum computing to improve broadband network management, partnering with D-Wave Quantum Inc. and Classiq to test applications such as traffic optimization and predictive issue resolution, marking a significant step in applying quantum computing to telecommunications infrastructure. The company investigates quantum technologies for network security and prepares telecommunications infrastructure for quantum computing threats. Comcast serves US telecommunications and cable markets providing broadband internet cable television and telephony services. The company contributes to quantum-safe telecommunications development preparing network infrastructure for post-quantum security transitions protecting telecommunications networks and customer data against emerging quantum computing threats to current encryption standards.

Cornell University

Cornell University is a private Ivy League research university founded in 1865, located in Ithaca, New York. Cornell conducts advanced quantum research advancing quantum materials quantum computing and quantum technologies. The university excels in quantum materials science superconducting devices and quantum hardware development. Cornell researchers contribute to quantum algorithms quantum error correction and quantum applications. The university has produced quantum technology spinouts and maintains strong quantum industry partnerships. Cornell serves quantum research community through quantum research quantum education and technology transfer advancing quantum information science and quantum materials development supporting USA quantum technology leadership.

Cryocomp

Cryocomp is the valves division of parent company Cryofab Inc., with history beginning with 1994 founding of DLH Industries, acquired by Cryofab Inc. in December 2014. Cryofab was founded in 1971 as global leader in design and supply of cryogenic dewars, storage vessels, and transfer systems. Cryocomp specializes in vacuum insulated equipment for safe and efficient transfer of liquid nitrogen, helium, argon, oxygen, and hydrogen. The company manufactures liquid nitrogen valves, liquid helium valves, and cryogenic solenoid valves essential for quantum computing cryogenic infrastructure. Cryocomp located in Kenilworth, New Jersey, provides cryogenic valve solutions for ultra-low temperature applications in quantum processors requiring liquid helium cooling systems. Cryocomp serves quantum computing manufacturers, research laboratories, and cryogenic system providers requiring specialized valves for dilution refrigerators and quantum computing cryogenic infrastructure operating at millikelvin temperatures.

Cryomagnetics

Cryomagnetics Inc. is a leading manufacturer of superconducting magnet systems and cryogenic equipment founded in 1969, based in Oak Ridge, Tennessee, serving quantum computing and scientific research markets. The company manufactures superconducting magnets, cryostats, and cryogenic systems essential for quantum computing applications requiring ultra-low temperatures and high magnetic fields. Cryomagnetics provides superconducting magnet solutions for quantum processors, quantum sensing systems, and quantum research requiring precise magnetic field control at cryogenic temperatures. The company’s products support superconducting qubit systems, trapped ion quantum computers, and quantum sensing applications. Cryomagnetics serves quantum computing manufacturers, national laboratories, universities, and research institutions requiring reliable superconducting magnet systems and cryogenic infrastructure for quantum technology development and quantum physics research.

Cutting Edge Superconductors

Cutting Edge Superconductors Inc. is a USA-based manufacturer of high-quality superconducting materials and components for quantum computing and advanced technology applications. The company specializes in production of superconducting wires, tapes, and materials used in quantum computing systems, cryogenic electronics, and superconducting circuits. Cutting Edge Superconductors manufactures High Temperature Superconductor (HTS) and Low Temperature Superconductor (LTS) materials essential for quantum processors, superconducting qubits, and quantum computing infrastructure. The company provides custom superconducting solutions for quantum computing manufacturers requiring precision superconducting materials with superior performance characteristics. Cutting Edge Superconductors serves quantum technology companies, research laboratories, and cryogenic system manufacturers needing high-performance superconducting components for quantum computing, quantum sensing, and superconducting electronics applications.

DCVC

DCVC (Data Collective) is a venture capital and private equity firm founded in 2011 and based in San Francisco/Palo Alto, California, led by founders and managing partners Matt Ocko and Zachary Bogue. DCVC made notable quantum computing investments including Rigetti Computing ($24M Early Stage Series A in 2017, company went public in 2021) and Q-CTRL (undisclosed Seed round in 2018 as lead investor). DCVC’s quantum investment strategy focuses on companies selling picks and shovels to businesses building quantum systems rather than building quantum computers themselves, with Rigetti being the main exception. The firm invests in data-driven deep tech companies leveraging computational technologies including quantum computing, artificial intelligence, and advanced computing infrastructure. DCVC serves quantum technology startups requiring venture capital for scaling quantum control systems, quantum processors, and quantum computing infrastructure. The firm provides strategic guidance and capital for early-stage quantum technology companies.

Dell Technologies

Dell Technologies Inc. is an American multinational computer technology company founded in 2016 through merger of Dell and EMC, headquartered in Round Rock, Texas. Dell provides computing infrastructure and cloud services supporting quantum-classical hybrid computing environments. The company explores quantum computing partnerships integrating quantum computing access into Dell enterprise infrastructure and cloud platforms. Dell collaborates with quantum computing providers enabling enterprise customers to access quantum resources through Dell infrastructure. Dell serves enterprise customers, data centers, and research institutions requiring high-performance computing infrastructure for quantum-classical hybrid workloads and quantum algorithm development. The company contributes to quantum computing infrastructure development providing enterprise-grade classical computing integrated with quantum computing access advancing quantum technology adoption in enterprise markets.

Deloitte Quantum Computing Services

Deloitte operates quantum computing services helping organizations develop comprehensive quantum strategy and implementation roadmaps. The Big Four consultancy provides quantum readiness assessments, use case identification, and quantum adoption planning. Deloitte serves enterprise clients across industries with quantum strategy consulting, helping executives understand quantum computing’s potential impact on their businesses and develop roadmaps for quantum technology adoption and post-quantum cryptography transitions.

Company Information

• Founded: 1845
• Country: United States
• Website: https://www2.deloitte.com
• Categories: consulting

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Department of Energy

The US Department of Energy (DOE) leads major quantum computing and quantum information science initiatives through its Office of Science, national laboratories, and research programs, coordinating quantum research across institutions including Argonne, Oak Ridge, and Lawrence Berkeley National Labs, funding quantum computing testbeds, quantum network development, and quantum algorithm research for scientific computing applications, overseeing the National Quantum Information Science Research Centers and supporting the National Quantum Initiative to advance US leadership in quantum technologies for energy, materials science, and scientific discovery applications.

Diamond Quanta

Diamond Quanta is a semiconductor innovation company pioneering breakthrough lab-grown diamond technology with its ‘Unified Diamond Framework’ for true substituent doping. The company develops advanced power electronics and quantum photonic platforms, leveraging diamond’s superior thermal conductivity and charge carrier mobility for high-performance applications. Diamond Quanta is backed by Silicon Catalyst and Plug and Play Tech Center, with strategic investment from Heller Industries and CoreLabs Capital announced in September 2025.

DigiCert

DigiCert is a leading certificate authority (CA) and digital security company providing public key infrastructure (PKI), TLS/SSL certificates, and validation services for digital trust. In 2019, DigiCert announced DigiCert Labs, an R&D division focused on post-quantum cryptography and machine learning, and launched the world’s first Post-Quantum Security model with a quantum-safe certificate toolkit. DigiCert is implementing NIST PQC algorithms (FIPS 203, FIPS 204, FIPS 205) in their TrustCore SDK’s NanoCrypto module to protect against quantum computing threats.

DiTom Microwave

DiTom Microwave specializes in manufacturing RF isolators and circulators for high-reliability applications including quantum computing. The company produces cryogenic RF components designed to operate at temperatures below 77K down to the millikelvin range required for superconducting quantum computers. DiTom’s cryogenic isolators and circulators serve the quantum computing industry’s need for reliable microwave components that maintain performance at ultra-low temperatures. Their products are essential for qubit control and readout in superconducting quantum processors. The company serves aerospace, defense, space-qualified, and cryogenic hardware markets with proven reliability in extreme environments.

Duality Accelerator

Duality Accelerator is a quantum-focused accelerator program founded in 2019 providing mentorship resources and funding to early-stage quantum computing startups and quantum technology companies. The accelerator offers specialized quantum business development programs connecting quantum entrepreneurs with industry partners investors and quantum experts. Duality provides quantum technology training business strategy guidance and go-to-market support for quantum startups. The program focuses on quantum software quantum algorithms quantum applications and quantum-enabled technologies across multiple industries. Duality Accelerator serves quantum technology entrepreneurs requiring acceleration support strategic guidance network access and funding for quantum computing companies quantum software development and quantum technology commercialization advancing quantum technology ecosystem and quantum startup growth.

Duality Quantum Accelerator

Duality Quantum Accelerator is the nation’s first quantum startup accelerator led by UChicago Polsky Center, Chicago Quantum Exchange, UIUC, Argonne, and P33. The program provides resources to quantum startups. Duality Quantum Accelerator offers mentorship, funding, and connections to help quantum technology startups commercialize research from Chicago’s quantum ecosystem including University of Chicago, University of Illinois, and Argonne National Laboratory.

Company Information

• Founded: 2023
• Country: United States
• Website: N/A
• Categories: accelerator, incubator

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EeroQ

EeroQ develops innovative helium-ion quantum processors using a unique approach that employs helium ions to create qubits with potentially superior coherence properties and reduced environmental sensitivity compared to traditional quantum computing platforms, aiming to build scalable quantum systems for computational applications in optimization and simulation.

Company Information

• Founded: 2017
• Country: United States
• Website: https://eeroq.com
• Categories: hardware

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Elevate Quantum

Elevate Quantum is the US Economic Development Administration Tech Hub for quantum in Colorado and the Mountain West region, securing over $120 million in funding. The consortium coordinates quantum ecosystem development. Elevate Quantum brings together companies, universities, and government organizations to build quantum technology infrastructure, workforce development programs, and commercialization support across the Mountain West quantum corridor.

Company Information

• Founded: 2023
• Country: United States
• Website: https://elevatequantum.org
• Categories: innovation hub, tech hub

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Encryption Consulting

Encryption Consulting LLC is a Texas-based cybersecurity company founded in 2018, specializing in applied cryptography and post-quantum cryptographic advisory services. Headquartered in Prosper, Texas (Dallas-Fort Worth metropolitan area), the company is changing how organizations approach data protection across their enterprises. Encryption Consulting offers comprehensive post-quantum cryptography (PQC) services to help enterprises identify potential quantum risks and become quantum cyber-ready. Services include cryptographic discovery and inventory scans to build comprehensive asset inventories, implementation of hybrid models combining classical and PQC algorithms ensuring backward compatibility during quantum transitions, full alignment with NIST PQC algorithm standards, and addressing Harvest Now, Decrypt Later (HNDL) threats with proactive cryptographic upgrades. The company’s expertise spans PKI (Public Key Infrastructure), Hardware Security Modules, Code Signing, Enterprise Key Management, and other cryptographic solutions. Encryption Consulting partners with leading cybersecurity vendors including Thales and Entrust, positioning itself as a trusted advisor for organizations preparing for the post-quantum cryptography era.

Entrust

Entrust is a digital security company specializing in identity, payments, and data protection with leading expertise in post-quantum cryptography. The company is a participating member of IETF and NIST PQ Competition and announced the Entrust Cryptographic Security Platform in April 2025, the industry’s first unified end-to-end cryptographic security management solution supporting all three NIST PQC standards. Entrust PKI as a Service (PKIaaS) supports FIPS 203, FIPS 204, and FIPS 205 PQC algorithms for quantum-safe digital identity protection.

Envietta

Envietta is an American quantum security company founded in 2019, developing hardware-implemented post-quantum cryptography solutions as IP Core for semiconductor integration. The company is one of only three companies worldwide offering post-quantum cryptography as IP Core: PQ Shield (UK), Envietta (USA), and ResQuant (Poland). Envietta develops cryptographic processor designs implemented on FPGA and ASIC microchips for direct integration into electronic devices, providing quantum-resistant encryption resistant to quantum computer attacks. The company implements NIST-approved post-quantum cryptography algorithms including ML-KEM (Kyber), ML-DSA (Dilithium), and SLH-DSA (SPHINCS+) as hardware accelerators and IP cores for semiconductor manufacturers. Envietta serves semiconductor companies, IoT device manufacturers, aerospace contractors, automotive suppliers, and telecommunications equipment vendors requiring hardware-based post-quantum cryptography implementations for chip-level security. The company focuses on high-performance PQC hardware implementations enabling quantum-safe security in resource-constrained embedded systems and high-throughput communications equipment.

EuQlid

EuQlid develops advanced trapped ion quantum systems with focus on high-fidelity qubit operations and scalable ion trap architectures, providing quantum computing solutions for research and commercial applications that require precise atomic control and long coherence times for quantum simulation and optimization problems.

Company Information

• Founded: 2021
• Country: United States
• Website: https://euqlid.com
• Categories: hardware

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FieldLine

FieldLine is a CU Boulder spin-out developing optically-pumped magnetometers for medical imaging and quantum sensing applications. The company manufactures OPM sensors for magnetoencephalography. FieldLine’s quantum magnetometers enable non-invasive brain imaging and other biomedical applications where ultra-sensitive magnetic field detection provides diagnostic capabilities, commercializing quantum sensing technology for healthcare markets.

Company Information

• Founded: 2014
• Country: United States
• Website: https://fieldlineinc.com
• Categories: quantum sensing

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FormFactor

FormFactor provides quantum test and measurement solutions including cryogenic probing systems, quantum device test interfaces, and specialized measurement equipment that enable the characterization and testing of quantum devices at ultra-low temperatures required for quantum computing and quantum electronics applications.

Company Information

• Founded: 2020
• Country: United States
• Website: https://formfactor.com
• Categories: infrastructure

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FormFactor Inc.

FormFactor is the largest commercial dilution refrigerator supplier in the United States after acquiring JanisULT, providing sub-10 millikelvin cooling for superconducting quantum computers. The company manufactures cryogenic probe stations and dilution refrigeration systems for quantum computing research and development. FormFactor’s quantum cryogenic division serves quantum computing companies and research institutions with customizable dilution refrigerator systems designed for quantum processor testing and operation.

Company Information

• Founded: 1993
• Country: United States
• Website: https://www.formfactor.com
• Categories: cryogenics, quantum components

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FormFactor Quantum Systems

FormFactor Quantum Systems provides cryogenic and vacuum probe systems for quantum computing with high I/O, optical ports, magnetic shielding, and low-vibration design. The Livermore company manufactures cryogenic probe stations. FormFactor’s quantum test systems enable researchers and quantum computing companies to characterize and test quantum devices at cryogenic temperatures with the precision wiring and measurement capabilities required for quantum applications.

Company Information

• Founded: 2000
• Country: United States
• Website: https://formfactor.com
• Categories: quantum components, cryogenics

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Frequency Electronics

Frequency Electronics designs precision timing and frequency control products including atomic clocks (hydrogen, cesium, rubidium standards) and RF modules up to 67 GHz for quantum sensing and quantum computing applications. The company has over 40 years of quantum sensing experience, developing nitrogen-vacancy diamond magnetometers for the Defense Innovation Unit and Rydberg atom-based RF sensors in partnership with NIST and Freedom Photonics. Frequency Electronics provides critical timing infrastructure for government, defense, aerospace, and quantum technology applications.

General Electric

General Electric Company is an American multinational conglomerate founded April 15 1892 headquartered in Boston Massachusetts. GE explores quantum computing applications for materials science aviation energy systems and healthcare. The company investigates quantum simulation for materials discovery turbine optimization energy grid management and medical imaging applications. GE collaborates with quantum computing providers and research institutions developing quantum applications for industrial and healthcare markets. GE serves aviation energy healthcare and industrial manufacturing sectors requiring quantum-enhanced computational capabilities for materials design system optimization and predictive maintenance. The company invests in quantum technology research advancing practical quantum applications for aerospace energy and healthcare industries supporting quantum technology commercialization.

GenMat

Quantum Generative Materials (GenMat) accelerates materials discovery by integrating quantum computing and machine learning to simulate atomic structures for energy, electronics, and manufacturing sectors. The company uses quantum-enhanced generative AI to predict and design new materials with specific properties. GenMat’s platform combines quantum algorithms with classical machine learning to explore vast chemical spaces and identify promising materials candidates more efficiently than traditional computational methods. Target applications include battery materials, semiconductors, catalysts, and advanced manufacturing materials. The company’s approach aims to reduce materials development time from years to months by leveraging quantum computing’s ability to accurately simulate quantum mechanical properties of materials at the atomic level.

Geometrics

Geometrics is a leading manufacturer of magnetometers and geophysical instruments based in San Jose, California. The company develops and manufactures precision magnetometers for measuring planetary-scale magnetic fields using quantum sensing principles. Geometrics operates under a Space Act Agreement with NASA to test magnetometers in specially constructed non-magnetic facilities at Moffett Field, which are instrumental to their product development. With $23.4 million in revenue and 85 employees, Geometrics serves geophysical survey, marine exploration, aerospace, and scientific research markets. The company partners with Texas Instruments on next-generation silicon-based magnetometers incorporating MEMS technology for smaller, more deployable quantum sensors.

Global Quantum Intelligence

Global Quantum Intelligence (GQI) is the leading quantum tech market and business intelligence provider with 30 years combined McKinsey/Accenture experience, having completed over $250 million worth of quantum technology due diligence. The firm provides market research, competitive intelligence, and strategic consulting to investors, corporations, and government agencies in the quantum technology sector. GQI’s expertise spans quantum computing, quantum communications, and quantum sensing markets, helping clients navigate investment decisions and strategic planning in the rapidly evolving quantum industry.

GlobalFoundries

GlobalFoundries leverages its advanced semiconductor manufacturing capabilities to provide quantum chip fabrication services for quantum computing companies, offering specialized processes and clean room facilities for producing superconducting qubits and quantum devices using established semiconductor manufacturing infrastructure.

Company Information

• Founded: 2021
• Country: United States
• Website: https://gf.com
• Categories: infrastructure

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Goldman Sachs

Goldman Sachs Group Inc. is an American multinational investment bank and financial services company founded in 1869, investing in quantum computing since 2012 backing quantum hardware company D-Wave Systems and developing quantum algorithms for options trading. Goldman Sachs works with Quantum Motion investigating how quantum computing can be used for complex calculations including options pricing and risk analysis. The firm develops quantum algorithms for portfolio optimization, Monte Carlo simulations, derivatives pricing, and financial modeling applications. Goldman Sachs applies quantum computing to trading strategy optimization, risk management, market prediction, and quantitative finance advancing computational finance capabilities. Goldman Sachs invests in quantum computing startups, quantum algorithm research, and quantum-safe cryptography preparing financial systems for quantum threats. Goldman Sachs serves global investment banking and financial services market requiring quantum-enhanced computational capabilities for trading, asset management, and financial engineering. Goldman Sachs leads Wall Street in quantum computing adoption alongside JPMorgan Chase exploring quantum advantage for financial services.

Good Chemistry

Good Chemistry Company is an American quantum software company founded in 2020 developing quantum computing applications for computational chemistry and materials science. The company provides quantum algorithms and software platforms for molecular simulation, drug discovery, catalyst design, and materials discovery. Good Chemistry focuses on near-term quantum advantage for chemistry applications using hybrid quantum-classical algorithms. The company collaborates with pharmaceutical companies, chemical manufacturers, and materials science researchers developing practical quantum applications for industrial chemistry. Good Chemistry serves pharmaceutical industry, chemical companies, materials science organizations, and research institutions requiring quantum-enhanced computational chemistry capabilities. The company advances quantum computing applications in drug discovery and materials design demonstrating practical quantum advantage for chemistry and materials science advancing quantum technology commercialization in chemical and pharmaceutical industries.

Google Quantum AI

On December 9, 2024, Google Quantum AI unveiled the Willow quantum chip featuring 105 qubits with best-in-class performance in quantum error correction and random circuit sampling. Willow performed a computation in under five minutes that would take today’s fastest supercomputers 10 septillion years (10^25 years). The chip demonstrated a crucial breakthrough: unlike previous quantum processors that suffered from increasing errors as more qubits were added, Willow actually reduces errors with more qubits, proving that scalable quantum error correction is possible. The chip achieved nearly 10 billion error correction cycles without seeing an error and features a T1 time of nearly 100 microseconds, representing a ~5x improvement over the previous generation. The Willow announcement led to a surge of over 5% in Alphabet Inc.’s stock price. In 2024, Google Quantum AI also acquired MIT-founded Atlantic Quantum to enhance scalable hardware development, leveraging Atlantic Quantum’s modular chip architecture that integrates qubits with superconducting control electronics on a single substrate.

Hadamard LLC

Hadamard LLC is a quantum technology publishing company that produces content and resources for the quantum computing industry. The company publishes Quantum Zeitgeist, a leading publication covering quantum computing developments, industry analysis, and technological advances in the quantum sector. Hadamard LLC focuses on creating educational content, market insights, and industry commentary to promote understanding of quantum computing applications and developments across academia, industry, and government sectors.

Company Information

• Founded: 2020
• Country: United States
• Website: https://hadamard2.com
• Categories: quantum education, quantum research

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Haiqu

Haiqu is a U.S.-Ukrainian quantum software startup founded in September 2022 in Palo Alto by Richard Givhan and Mykola Maksymenko, developing middleware to significantly enhance performance of noisy near-term quantum processors. The company’s technology enables execution of quantum circuits up to 100 times deeper by improving transpilation and resilience to noise and errors in quantum computing. Haiqu operates with distributed team across United States, Ukraine, Canada, Germany, Switzerland, and UK. In 2023, Haiqu secured $4 million in pre-seed funding to support product development and build partner ecosystem for market launch, with investors including Toyota Ventures and u.ventures. In 2024, Haiqu raised additional $1.6 million for the Compilation Open Design (CODE) project advancing Canadian innovation through open-source quantum computing access. Haiqu serves quantum computing hardware providers and researchers requiring quantum error mitigation solutions for NISQ-era quantum computers.

Haiqu Software

Haiqu develops quantum computing software focused on error mitigation and performance enhancement using artificial intelligence alongside distributed computing techniques. Founded by Richard Givhan (CEO, Stanford alumnus and former EIR at Mitsubishi Electric) and Mykola Maksymenko (CTO, formerly researcher at Max Planck Society and Weizmann Institute of Science) in fall 2022. Distributed team across United States, Ukraine, Canada, Germany, and Switzerland. Raised $4 million seed round led by MaC Venture Capital, with participation from Toyota Ventures, SOMA Capital, u.ventures, SID Venture Partners, and Roosh Ventures. Leverages AI to build enabling software layer for quantum computers. Error mitigation crucial for extracting maximum value from current and future quantum computers. In December 2024, Haiqu-led research team with HSBC encoded largest financial distributions to date on quantum computers.

Harvard University

Harvard University is a private Ivy League research university founded 1636 in Cambridge Massachusetts. Central to Harvard quantum initiatives is Harvard Quantum Initiative uniting researchers from various disciplines to advance quantum science and engineering. In September 2025, a team of Harvard physicists led by Mikhail Lukin (Joshua and Beth Friedman University Professor) achieved a historic breakthrough by building the first quantum computer that can operate continuously for over 2 hours without restarting, published in Nature. The system operates an array of more than 3,000 qubits (neutral atoms) and theoretically could continue indefinitely, representing a massive improvement over existing quantum computers that typically run for milliseconds or at most 13 seconds. The breakthrough was achieved by replenishing qubits in real time, injecting new atoms at a rate of 300,000 per second using an optical lattice conveyor belt system to counteract atom loss and maintain quantum information, with over 50 million atoms cycled through the system during the two-hour demonstration. This transformative achievement demonstrates that quantum computers capable of running forever in practice are now just three years away (down from five+ years previously), marking a critical milestone toward practical, continuously operating quantum computing systems. Harvard Quantum Initiative is one of strongest in country heavily focused on quantum networking quantum chemistry and quantum materials research. Harvard conducts quantum research spanning quantum processors quantum algorithms quantum communication networks quantum simulation and quantum sensing. The university maintains partnerships with leading quantum companies including QuEra Computing and government agencies. Harvard serves quantum research community through fundamental quantum research quantum education programs and technology transfer advancing quantum information science and quantum technology commercialization supporting USA quantum leadership.

High Precision Devices

High Precision Devices (HPD) is a US cryogenic instrumentation company founded in 1993 that develops specialized ultra-low temperature measurement and control instruments for quantum computing and quantum research applications, providing precision thermometry, cryogenic switches, temperature controllers, and measurement electronics that enable accurate monitoring and control of quantum systems operating at millikelvin temperatures, serving quantum computing companies, research institutions, and national laboratories with high-precision instrumentation essential for quantum device characterization, quantum state control, and cryogenic system optimization in dilution refrigerators and other ultra-low temperature environments.

High Temperature Superconductors

High Temperature Superconductors Inc. is a USA-based manufacturer specializing in high-temperature superconducting materials and components for quantum computing and advanced technology applications. The company produces superconducting wires, tapes, and materials used in quantum computing systems, superconducting electronics, and cryogenic applications. High Temperature Superconductors manufactures HTS materials operating at higher temperatures than conventional superconductors, reducing cooling requirements for quantum computing infrastructure. The company provides custom superconducting solutions for quantum processors, superconducting qubits, and quantum computing systems requiring reliable superconducting performance. High Temperature Superconductors serves quantum technology companies, research laboratories, cryogenic equipment manufacturers, and quantum computing startups requiring high-quality superconducting materials for quantum processors, quantum communication systems, and quantum sensing applications operating at cryogenic temperatures.

Honeywell Quantum Communications

Honeywell is a multinational technology and manufacturing company founded in 1906, headquartered in Charlotte, North Carolina, with Quantum Communications division developing quantum-secured satellite communications systems. Honeywell leads the QKDSat consortium, a public-private partnership announced in 2024 aiming to develop ultra-secure telecommunications satellites using quantum key distribution technology. In September 2025, Honeywell signed MOU with Redwire Corporation to combine Redwire’s quantum platform technology with Honeywell’s quantum optical payload, creating fully functional payload and platform by mid-2026. The consortium includes Redwire Space of Belgium; Craft Prospect and British Telecom of the United Kingdom; QTLabs of Austria; Honeywell in Canada; and key players in Germany, Czech Republic, and Switzerland. Honeywell partnered with European Space Agency for quantum data protection from space. The company serves government agencies, defense contractors, telecommunications operators, and critical infrastructure sectors requiring quantum-secured satellite communications protecting sensitive information transmission against cyber threats.

HPE

Hewlett Packard Enterprise (HPE) is an American multinational enterprise information technology company founded in 2015 through split of Hewlett-Packard, headquartered in Houston, Texas. HPE provides high-performance computing infrastructure supporting quantum-classical hybrid computing through partnerships with quantum computing providers. The company integrates quantum computing access into HPE GreenLake cloud platform enabling hybrid quantum-classical workloads. HPE collaborates with quantum computing companies including IonQ and others providing enterprise quantum computing access through cloud services. HPE serves enterprise customers, government agencies, and research institutions requiring quantum computing access, high-performance computing infrastructure, and quantum-classical hybrid capabilities. The company advances quantum technology commercialization bringing quantum computing to enterprise markets through cloud-based quantum services and hybrid computing platforms.

Hyper Tech Research

Hyper Tech Research Inc. is a leading manufacturer and developer of advanced superconducting materials based in Columbus, Ohio, founded in 1999, specializing in superconducting wire technology for quantum computing and energy applications. The company manufactures high-performance superconducting wires including Niobium-Titanium (NbTi), Niobium-Tin (Nb3Sn), and Magnesium Diboride (MgB2) superconductors used in quantum computing systems and cryogenic applications. Hyper Tech Research provides superconducting materials for quantum processors, superconducting qubits, quantum interconnects, and cryogenic quantum computing infrastructure requiring ultra-low resistance electrical conductivity. The company conducts research and development on next-generation superconducting materials with improved performance characteristics for quantum computing applications. Hyper Tech Research serves quantum computing manufacturers, national laboratories, universities, and research institutions requiring specialized superconducting materials for quantum technology development.

HYPRES

HYPRES specializes in superconducting electronics and rapid single flux quantum (RSFQ) technology for quantum computing applications, providing advanced cryogenic electronics, superconducting circuits, and quantum control systems that enable precise manipulation and readout of quantum states in superconducting quantum processors with over four decades of expertise in superconducting technologies.

Company Information

• Founded: 1983
• Country: United States
• Website: https://hypres.com
• Categories: hardware

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IBM Quantum

In 2024-2025, IBM Quantum unveiled its 156-qubit Heron processor featuring a new architectural approach emphasizing modularity and error mitigation, achieving 16 times better performance and a 25-fold increase in speed over 2022 systems. At the inaugural IBM Quantum Developer Conference in 2024, IBM achieved accurate computations on circuits with 100 qubits and gate depths of 100 and 5,000 two-qubit gate operations in under a day’s runtime. IBM introduced multi-chip coupling innovations including ’l-couplers’ for linking distant chips via cables and ’m-couplers’ for tightly connecting adjacent chips, demonstrated with IBM Quantum Flamingo connecting two Heron R2 chips, with the production-ready Flamingo system expected in 2025. IBM’s roadmap extends to 2026 with the Kookaburra system demonstrating the first integration of logical qubit processing with quantum memory, and by 2028, the Starling system will operate 200 logical qubits requiring approximately 10,000 physical qubits using IBM’s efficient LDPC codes.

IBM Quantum Network

IBM Quantum Network is a global community of Fortune 500 companies academic institutions research laboratories and startups working with IBM to advance quantum computing launched in 2017. The network provides members with cloud access to IBM quantum computers quantum software development tools quantum education resources and quantum expertise. IBM Quantum Network includes over 200 member organizations across industries including finance healthcare automotive aerospace and technology sectors. Members collaborate on quantum research develop quantum applications and explore quantum use cases for business advantage. The network provides quantum computing access quantum programming tools Qiskit framework quantum education programs and quantum consulting services. IBM Quantum Network serves enterprises research institutions and startups requiring quantum computing access quantum expertise and quantum technology development advancing practical quantum applications and quantum computing adoption worldwide.

Icarus Quantum

Icarus Quantum is a JILA/NIST spin-out commercializing quantum dot technology with Venture Partners at CU Boulder (Poolad Imany). The Boulder company develops quantum photonic components. Icarus Quantum translates fundamental quantum dot research into commercial photonic quantum devices for quantum computing, quantum communications, and quantum sensing applications.

Company Information

• Founded: 2022
• Country: United States
• Website: N/A
• Categories: quantum components

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Illinois Quantum and Microelectronics Park

Illinois Quantum and Microelectronics Park represents the largest concentration of quantum activity in North America, anchored by PsiQuantum with tenants including IBM, Diraq, and Infleqtion, projecting over $20 billion economic impact. The quantum technology park provides shared infrastructure. The park establishes Illinois as a global quantum manufacturing hub, bringing together quantum hardware companies, research institutions, and supporting industries to create a complete quantum technology ecosystem.

Infleqtion

In 2025, Infleqtion demonstrated a 16x16 neutral atom array - the largest reported array of its kind in the UK - as part of the SQALE project at the NQCC, marking a crucial step towards building fault-tolerant quantum processors. The company’s commercial platform is built around a 1,600-qubit lattice, the largest neutral-atom array reported to date, achieving an entangling-gate fidelity of 99.73%. In September 2025, Infleqtion agreed to merge with Churchill Capital Corp X in a transaction valuing Infleqtion at a pre-money equity of $1.8 billion. In 2024, Infleqtion was contracted to develop a neutral atom quantum computing testbed for the UK’s National Quantum Computing Centre (NQCC), installing the first neutral atom quantum computer at the NQCC in July 2024. The company unveiled the world’s largest qubit array comprising 1600 qubits and a 5-year roadmap signaling progress towards delivering fault-tolerant quantum computers. Infleqtion’s approach utilizes multiple atomic species within a single system, representing a novel strategy for enhancing performance.

Inside Quantum Technology

Inside Quantum Technology (IQT) is the world’s leading data and market intelligence provider for the quantum technology industry offering customized consulting with analysis and forecasts. The company organizes major quantum computing conferences (IQT Nordics, IQT Europe, IQT NYC) and provides market research, strategic consulting, and industry analysis services. IQT helps enterprises, investors, and government agencies navigate the quantum technology landscape with expert insights.

Company Information

• Founded: 2017
• Country: United States
• Website: https://www.insidequantumtechnology.com
• Categories: quantum consulting, quantum media

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Intel Quantum

In 2024, Intel’s spin qubits achieved 99.9% gate fidelity, the highest reported for qubits made with all-CMOS-industry manufacturing, demonstrated in research published in Nature titled ‘Probing single electrons across 300-mm spin qubit wafers.’ On December 25, 2024, Intel published research on ‘12-Spin-Qubit Arrays Fabricated on a 300 mm Semiconductor Manufacturing Line’ in Nano Letters, featuring the Tunnel Falls device consisting of 12 quantum dots arranged in a linear array - the largest number of qubits reported in a single Si/SiGe device to date. Intel researchers used a 300-millimeter cryogenic probing process, CMOS manufacturing techniques, and extreme ultraviolet (EUV) lithography to achieve tight dimensions while manufacturing in high volume. The small size of Intel’s spin qubits (approximately 100 nanometers across) makes them denser than other qubit types like superconducting qubits, enabling construction of more complex quantum computers on a single chip. Intel plans to demonstrate high-fidelity two-qubit gates on its industry manufacturing process and develop 2D arrays with increased qubit count and connectivity.

IonQ

In 2024-2025, IonQ raised approximately $372.6 million through an at-the-market equity offering (announced March 10, 2025), bringing the company’s cash balance to over $700 million. The company secured a major contract with Korea Institute of Science and Technology Information (KISTI) in July 2025 to deliver a 100-qubit quantum system for South Korea’s first National Quantum Computing Centre of Excellence. IonQ also signed a Memorandum of Understanding with Japan’s AIST to provide access to IonQ’s Forte-class quantum computers. At Quantum World Congress 2025, IonQ announced a groundbreaking advancement in quantum chemistry simulations with its quantum-classical auxiliary-field quantum Monte Carlo (QC-AFQMC) algorithm, demonstrating unprecedented precision in computing atomic-level forces with potential applications in drug discovery and climate change solutions. On October 7, 2025, IonQ completed the acquisition of Vector Atomic, a California-based quantum sensing company, in an all-stock transaction. The acquisition brought 75+ employees, scientists, engineers, and operators to IonQ, along with precision atomic clocks, inertial sensors, gravimeters, and synchronization hardware technology. Vector Atomic secured over $200 million in government contracts and holds 29 pending and issued patents in quantum sensing and timing. The acquisition expands IonQ’s portfolio from quantum computing into quantum sensing, timing, and navigation markets, with Vector Atomic’s technology delivering 1,000x improvement in GPS accuracy and picosecond-level timing precision for defense, aerospace, and commercial applications.

IPG Photonics

IPG Photonics manufactures fiber lasers and amplifiers including single-frequency linearly polarized sources for quantum computing applications. The company offers optical frequency combs for biomedical sensing, metrology, and quantum computing, along with specialized ultrafast lasers that deliver compact and efficient solutions purpose-built for quantum systems. IPG Photonics works directly with major quantum computing companies providing high-performance laser sources critical for quantum operations.

Company Information

• Founded: 1990
• Country: United States
• Website: https://www.ipgphotonics.com
• Categories: quantum photonics, hardware

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Janis Research

Janis Research Company LLC is an American manufacturer of cryogenic and vacuum systems founded in 1961, headquartered in Woburn, Massachusetts. Janis provides cryogenic equipment including dilution refrigerators, cryostats, and ultra-low temperature systems used in quantum computing research, quantum materials studies, and quantum device testing. The company cryogenic systems enable temperatures approaching absolute zero required for superconducting qubit operation and quantum physics experiments. Janis serves quantum computing companies, research universities, national laboratories, and quantum technology developers requiring cryogenic infrastructure for quantum experiments and quantum processor cooling. The company contributes to quantum technology supply chain providing essential cryogenic equipment for quantum computing hardware development and quantum research advancing practical quantum computer implementations and quantum technology commercialization.

Johnson & Johnson

Johnson & Johnson is an American multinational pharmaceutical and medical technologies corporation founded in 1886, with Janssen Pharmaceuticals subsidiary launching three-year research collaboration with Qu&Co in 2021 to develop and test quantum computational algorithms and software for pharmaceutical R&D applications. Janssen employed Qu&Co’s QUBEC platform for quantum computational chemistry and materials science, testing algorithms on quantum processors. In 2024, Johnson & Johnson partnered with Pasqal working to demonstrate practical benefits of quantum computing for drug discovery problems. Johnson & Johnson is among biggest pharma industry players submitting quantum computing patents alongside Merck, Roche, and Amgen. The company uses quantum computing for molecular simulations, optimization problems in drug discovery, and computational chemistry applications. Johnson & Johnson serves global pharmaceutical market requiring quantum-enhanced drug discovery, molecular modeling, and computational chemistry for developing treatments for cancer, Alzheimer’s, Parkinson’s, and other conditions accelerating path from discovery to clinical trials.

JPMorgan Chase

JPMorgan Chase & Co. is an American multinational financial services firm founded in 1799, operating specialist teams working on quantum technologies and leading $300 million funding round in Quantinuum demonstrating significant quantum investment commitment. JPMorgan Chase has been working with Quantinuum and predecessor companies since 2020, partnered with IBM, Amazon, and academic labs on projects ranging from quantum portfolio optimization to quantum-safe encryption. The bank applies quantum computing to risk management, portfolio optimization, derivatives pricing, fraud detection, and asset price prediction achieving potential manifold enhancement of banking capabilities. JPMorgan Chase invests in quantum computing infrastructure, quantum algorithm development, and quantum-safe cryptography preparing for post-quantum security threats. JPMorgan Chase serves global financial services market requiring quantum-enhanced computational capabilities for trading, risk analysis, and secure communications. JPMorgan Chase leads financial services industry in quantum computing adoption alongside HSBC and Goldman Sachs advancing quantum finance applications.

Juniper Networks

Juniper Networks Inc. is an American multinational corporation founded in 1996, headquartered in Sunnyvale, California, developing networking products including routers, switches, and network security. Juniper invests in quantum-safe networking solutions including post-quantum cryptography implementations, quantum-resistant VPNs, and quantum-safe network security. The company prepares networking infrastructure for post-quantum cryptography transitions protecting network communications against future quantum computing threats. Juniper collaborates with cybersecurity organizations and standards bodies advancing quantum-safe networking best practices. The company serves telecommunications operators, enterprises, cloud providers, and government agencies requiring quantum-safe networking infrastructure and post-quantum security. Juniper contributes to quantum-safe networking development advancing post-quantum cryptography adoption in network infrastructure protecting global communications infrastructure against emerging quantum computing threats to current encryption standards.

Keyfactor

Keyfactor is a digital trust and cryptographic solutions company headquartered in Cleveland, Ohio, with longstanding presence in the cybersecurity market. In April 2025, Keyfactor announced expanded post-quantum cryptography (PQC) capabilities across its platforms to support enterprises preparing for NIST’s 2030-2035 deprecation of classical encryption algorithms. The company developed quantum-resilient public key infrastructure (PKI), digital signing, and certificate lifecycle management solutions. Keyfactor offers the PQC Lab, a free SaaS-based version of its EJBCA Enterprise PKI platform pre-configured to issue quantum-resilient certificates in minutes. New features in Keyfactor Command, EJBCA, and Bouncy Castle enable inventorying PQC certificates, issuing hybrid RSA/ML-DSA certificates, and integrating NIST-standard algorithms with hardware security module support. Keyfactor serves enterprises, government agencies, financial institutions, and critical infrastructure sectors requiring quantum-safe cryptography migration and certificate management for the post-quantum era.

Keysight Technologies

Keysight Technologies provides advanced quantum test and measurement solutions including quantum computing test systems, qubit characterization tools, and precision measurement instruments that enable quantum researchers and manufacturers to validate, optimize, and scale quantum devices and systems across various quantum technology platforms.

Company Information

• Founded: 2014
• Country: United States
• Website: https://keysight.com
• Categories: infrastructure

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Keysight Technologies Quantum Solutions

Keysight Technologies operates a dedicated quantum solutions division providing control and measurement instruments for quantum computing systems. The American electronic measurement company (spun off from Agilent Technologies) offers AWGs, signal analyzers, and quantum control software. Keysight’s quantum solutions serve major quantum computing companies and research institutions worldwide with integrated hardware and software platforms for quantum processor control, characterization, and measurement.

Company Information

• Founded: 2014
• Country: United States
• Website: https://www.keysight.com
• Categories: control electronics, quantum components

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Kleiner Perkins

Kleiner Perkins is an American venture capital firm founded 1972 in Menlo Park California. Kleiner Perkins has coinvested with other major VCs such as Sequoia Andreessen Horowitz and Y Combinator on quantum opportunities. The firm invests in quantum computing startups and quantum technology companies supporting quantum innovation and commercialization. Kleiner Perkins serves quantum technology entrepreneurs requiring venture capital funding for quantum computing companies quantum software development and quantum technology commercialization. The firm provides strategic guidance network access and operational support to quantum startups advancing quantum technology ecosystem and quantum computing industry development supporting quantum innovation worldwide.

KM Labs

KM Labs is a JILA/NIST ecosystem company providing ultrafast lasers and optical systems for quantum technology research. The Boulder company manufactures femtosecond laser systems. KM Labs’ ultrafast laser systems serve quantum optics research, quantum communications, and quantum computing applications requiring short optical pulses and precise optical frequency combs.

Company Information

• Founded: 1995
• Country: United States
• Website: https://kmlabs.com
• Categories: quantum components, lasers

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Lake Shore Cryotronics

Lake Shore Cryotronics Inc. is an American manufacturer of measurement and control technology for cryogenic and room temperature environments founded in 1968, headquartered in Westerville, Ohio. Lake Shore provides cryogenic temperature sensors, controllers, and measurement systems used extensively in quantum computing research and quantum technology development. The company products enable precise temperature control and measurement critical for superconducting qubit operation, quantum materials characterization, and quantum device testing. Lake Shore serves quantum computing companies, research universities, national laboratories, and quantum technology developers requiring precision cryogenic measurement and control equipment. The company contributes to quantum technology infrastructure providing essential measurement tools for quantum computing hardware development, quantum physics experiments, and quantum system characterization advancing quantum technology commercialization and quantum research capabilities worldwide.

LAMBEQ

LAMBEQ is Quantinuum’s quantum natural language processing software that enables Quantum Natural Language Processing pipelines integrating with TKET, Quantinuum’s platform-agnostic compiler. Developed as part of Quantinuum’s developer tools suite alongside TKET quantum compiler and Qermit error mitigation tool. LAMBEQ allows researchers and developers to apply quantum computing to natural language processing tasks, converting sentences and language structures into quantum circuits. The software enables experimentation with quantum approaches to language understanding, sentiment analysis, and question answering. Based on categorical quantum mechanics and compositional distributional semantics, LAMBEQ provides unique approach to NLP leveraging quantum computing properties. Part of Quantinuum’s broader quantum software ecosystem serving researchers in academia and industry. Open-source components available for research and development.

Lawrence Berkeley National Lab

Lawrence Berkeley National Laboratory operates the Advanced Quantum Testbed (AQT), a collaborative research facility established in 2016 that provides researchers worldwide with access to cutting-edge superconducting quantum processors for quantum computing research and development, serving as a user facility for the quantum information science community to test quantum algorithms, explore quantum error correction, and advance quantum computing hardware and software through partnerships with academia, industry, and government agencies working on quantum technologies.

Lawrence Berkeley National Laboratory

Lawrence Berkeley National Laboratory (Berkeley Lab) is a USA national laboratory founded August 26, 1931, located in Berkeley, California, operated by University of California for United States Department of Energy. Berkeley Lab leads Quantum Systems Accelerator (QSA), one of five DOE National Quantum Information Science Research Centers bringing together 80 world-class researchers from 15 partner institutions. QSA catalyzes national leadership in quantum information science to co-design algorithms, quantum devices, and engineering solutions delivering certified quantum advantage in scientific applications. The laboratory conducts quantum computing research spanning quantum processors, quantum algorithms, quantum networking, quantum sensors, and quantum materials. Berkeley Lab operates quantum computing testbeds and advanced characterization facilities for quantum hardware development. The laboratory serves quantum research community collaborating with universities, industry, and government agencies advancing quantum computing for energy, chemistry, materials science, and national security applications requiring quantum computational advantage.

Lawrence Livermore National Laboratory

Lawrence Livermore National Laboratory (LLNL) is a USA federal research facility founded in 1952, located in Livermore, California, operated by Lawrence Livermore National Security LLC for United States Department of Energy and National Nuclear Security Administration. The Livermore Center for Quantum Science focuses on advancing quantum technology to solve national security challenges including quantum computing, quantum sensing, quantum communications, and quantum materials. LLNL conducts quantum computing research spanning quantum algorithms for scientific simulation, quantum error correction, quantum networking, and integration of quantum computing with high-performance computing for national security applications. The laboratory develops quantum technologies for nuclear stockpile stewardship, materials science, cryptography, and sensing. LLNL serves Department of Defense, Department of Energy, and intelligence community requiring quantum computing capabilities for national security, weapons physics simulation, materials discovery, and secure quantum communications advancing quantum advantage for critical national security missions.

Light Rider

Light Rider is a USA-based company developing security solutions using quantum physics for the telecommunications industry, providing Quantum Random Number Generator (QRNG) technology that produces completely random number streams from quantum chips streamed in realtime. The randomness is created at the quantum level, truly unpredictable and generated from nature itself through quantum processes. Light Rider offers free access to their QRNG output for developers and organizations requiring high-quality random numbers for cryptographic applications, security systems, and telecommunications infrastructure. The company serves telecommunications, cybersecurity, and encryption sectors requiring quantum-generated random numbers for applications including cryptographic key generation, secure communications, and random number dependent systems where unpredictability from quantum mechanical processes provides superior security compared to pseudo-random number generators. Light Rider’s quantum chips generate entropy from quantum phenomena, ensuring true randomness for security-critical applications.

Lightmatter

Lightmatter is a Boston-based photonic supercomputer company founded in 2017 by CEO Nick Harris, Chief Scientist Darius Bunandar, and COO Thomas Graham, raising $400 million Series D in October 2024 at $4.4 billion valuation with total capital of $850 million. The round was led by T. Rowe Price Associates, with participation from Fidelity Management & Research Company and GV (Google Ventures). Lightmatter’s Passage technology addresses AI infrastructure challenges by leveraging 3D-stacked photonics chips to move data, dramatically increasing AI cluster bandwidth and performance while reducing power consumption. The company builds the fastest interconnect layer using photonic chips developed since 2018. CEO Nick Harris indicated the Series D is likely the last private funding round before a potential IPO. Lightmatter will ready Passage for mass deployment in partner data centers, enabling scaling required for sustained AI innovation.

Lightsynq

Lightsynq was a Boston-based startup founded in 2022 that developed advanced photonic quantum solutions including quantum light sources, photonic integrated circuits, and quantum networking components to enable scalable photonic quantum computing and quantum communication systems for applications requiring room-temperature operation and network connectivity. In June 2025, IonQ acquired Lightsynq Technologies to advance quantum computing and networking scalability, bringing over 20 patents to IonQ’s portfolio. The acquisition positioned IonQ to strengthen its photonic interconnect capabilities and quantum memory technologies, integrating Lightsynq’s expertise in photonic quantum systems with IonQ’s trapped-ion quantum computing platform to enable more scalable quantum architectures.

Lockheed Martin Quantum

Lockheed Martin has been a pioneering customer and developer of quantum computing technology since becoming the first customer to purchase a D-Wave quantum computer in 2010 for optimization and machine learning applications in aerospace and defense. The company operates quantum computing research facilities and has integrated quantum technologies into various defense applications including secure communications, advanced radar systems, navigation, and cybersecurity solutions. Lockheed Martin collaborates with leading quantum companies and research institutions to develop quantum-enhanced capabilities for national security applications, investing in quantum sensing technologies for improved detection and measurement systems, quantum communications for secure military networks, and quantum computing applications for complex optimization problems in aircraft design, mission planning, and logistics coordination across their aerospace and defense portfolio.

Lockheed Martin Quantum Navigation Program

Lockheed Martin Quantum Navigation Program secured a DOD Innovation Unit contract for quantum-enabled Inertial Navigation Systems, partnering with Q-CTRL and AOSense. The defense contractor develops quantum navigation systems. The program aims to provide military aircraft and systems with quantum-enhanced navigation capabilities that maintain accuracy in GPS-denied environments, addressing critical defense needs for resilient positioning systems.

Company Information

• Founded: 2025
• Country: United States
• Website: https://lockheedmartin.com
• Categories: quantum sensing, defense

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LongWave Photonics

LongWave Photonics is a California-based company founded in 2010 by Alan Lee and Qing Hu, specializing in terahertz quantum cascade laser (QCL) systems for imaging, spectroscopy, and heterodyne receivers. Based in Mountain View, California’s Silicon Valley, LongWave Photonics offers compact, turnkey terahertz QCL systems with milliwatt average power levels available across frequencies from 1.9 to 5 THz. The company’s systems operate cryogen-free, require no optical alignment, and provide convenient terahertz sources for research and industrial applications. LongWave Photonics has received funding from institutional investor Innobridge Capital and the National Science Foundation through SBIR grants supporting NASA-related quantum photonics projects. The company’s terahertz quantum cascade lasers serve quantum sensing, spectroscopy, and imaging applications requiring compact, reliable terahertz radiation sources. LongWave Photonics addresses the terahertz gap in the electromagnetic spectrum, providing quantum photonics solutions for security screening, materials characterization, astronomical detection, and fundamental physics research requiring terahertz frequency sources.

Los Alamos National Laboratory

Los Alamos National Laboratory (LANL) is a USA national laboratory founded in 1943 during Manhattan Project, located in Los Alamos, New Mexico, operated by Triad National Security LLC for United States Department of Energy and National Nuclear Security Administration. LANL conducts quantum computing research spanning quantum algorithms, quantum simulation, quantum cryptography, quantum networking, and quantum sensors for national security applications. The laboratory develops quantum technologies for nuclear weapons stewardship, materials science, secure communications, and sensing applications. LANL operates quantum computing testbeds exploring superconducting qubits, trapped ions, and quantum annealing for optimization and simulation problems. The laboratory collaborates with DOE National Quantum Information Science Research Centers and industry partners advancing quantum computing for national security missions. LANL serves Department of Defense, Department of Energy, and intelligence community requiring quantum computing capabilities for weapons physics, cryptanalysis, materials discovery, and quantum-safe cryptography protecting national security information against quantum threats.

Lumai

Lumai is a quantum computing and AI company backed by Qubits Ventures. The company focuses on developing advanced computational systems that combine quantum and classical approaches for solving complex problems. Lumai received investment from Qubits Ventures in April 2025 and is developing next-generation computing infrastructure.

Company Information

• Founded: 2024
• Country: United States
• Website: https://lumai.ai
• Categories: quantum computing, quantum ai

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Lumen Technologies

Lumen Technologies Inc. (formerly CenturyLink) is an American telecommunications company founded in 1968, headquartered in Monroe, Louisiana. Lumen provides networking infrastructure including fiber optic networks supporting quantum communication deployments and quantum networking research. The company explores quantum key distribution (QKD) integration into telecommunications infrastructure and quantum-safe networking solutions. Lumen collaborates with quantum technology providers advancing practical quantum communications capabilities over existing fiber networks. The company serves telecommunications enterprise and government markets requiring quantum-safe communications infrastructure. Lumen contributes to quantum networking development providing telecommunications infrastructure supporting quantum communications deployments and quantum-safe security implementations preparing network infrastructure for quantum internet and post-quantum security transitions protecting telecommunications networks against quantum computing threats.

Lumentum

Lumentum is a market-leading designer and manufacturer of optical and photonic products including laser chips, coherent transceivers, pump lasers, and photonic components. Their ultra-high-power, high-efficiency lasers are integrated into NVIDIA’s Quantum-X Photonics networking switches, and their products enable optical networking and photonic innovations critical for quantum and AI infrastructure. Lumentum operates major semiconductor facilities in San Jose, California, producing components for quantum technologies and advanced computing systems.

Company Information

• Founded: 2015
• Country: United States
• Website: https://www.lumentum.com
• Categories: quantum photonics, hardware

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M-Wave Design

M-Wave Design is a leading supplier of ferrite-based RF and microwave components for aerospace, defense, and quantum computing applications. Founded in 1988 and based in Simi Valley, California, the company designs and manufactures passive waveguide and coaxial components including isolators, circulators, adapters, and terminations. M-Wave’s product portfolio is uniquely positioned to supply components that perform at cryogenic temperatures used in quantum computing, filling a critical niche for ferrite-based components in quantum processor systems. Acquired by Quantic Electronics in May 2024, M-Wave continues serving quantum computing, aerospace, and defense markets with high-reliability ferrite components. CEO Ken Boswell leads the operations.

MagiQ Technologies

MagiQ Technologies is a US quantum security pioneer founded in 1999 in Somerville, Massachusetts that achieved the historic milestone of delivering the world’s first commercial quantum key distribution product (Navajo) in 2003, followed by additional QKD systems including QPN 5505, QPN 7505, and QPN 8505 released in 2004-2006, providing quantum cryptography solutions based on the laws of quantum mechanics that generate truly random encryption keys impossible to intercept, serving US Department of Energy, DARPA, US Army, Air Force, NASA, and other government agencies with advanced network security and quantum-safe key distribution systems that deliver fool-proof defense against cryptographic challenges.

Maybell Quantum

Maybell Quantum develops advanced cryogenic quantum systems and ultra-low temperature solutions specifically designed for quantum computing applications, providing dilution refrigerators, cryogenic electronics, and thermal management systems that enable quantum processors to operate at the millikelvin temperatures required for quantum coherence.

Company Information

• Founded: 2021
• Country: United States
• Website: https://maybellquantum.com
• Categories: hardware

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McKinsey

McKinsey & Company is an American multinational strategy and management consulting firm founded in 1926, conducting extensive quantum computing research projecting three core pillars of quantum technology (quantum computing, quantum communication, quantum sensing) could generate up to $97 billion in revenue worldwide by projected 2035. McKinsey research shows quantum computing growing from $4 billion revenue in 2024 to as much as $72 billion in projected 2035, with chemicals, life sciences, finance, and mobility industries seeing most growth from quantum technology. McKinsey reports quantum computing could enhance banks’ abilities in managing risks, optimizing portfolios, detecting fraud, and predicting asset prices. The firm provides quantum computing strategy consulting, market analysis, and business transformation advisory services for Fortune 500 companies and government organizations. McKinsey serves global enterprises across industries requiring quantum technology strategic planning, investment analysis, and business model transformation supporting organizations capitalizing on quantum computing opportunities and quantum technology commercialization.

MemQ

MemQ develops quantum memory solutions and quantum storage systems that enable the temporary storage and retrieval of quantum information, providing essential components for quantum networks, quantum repeaters, and distributed quantum computing applications where quantum states need to be preserved over time and distance.

Company Information

• Founded: 2022
• Country: United States
• Website: https://memq.tech
• Categories: hardware

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Menten AI

Menten AI is a pioneering biotechnology company that combines quantum computing, artificial intelligence, and protein engineering to revolutionize drug discovery and design. Founded in 2018 by CEO Vikram Mulligan and leveraging research from the Baker Lab at the University of Washington, the company uses quantum-enhanced algorithms to solve complex protein folding and design problems that are computationally intractable for classical computers. Menten AI’s platform enables the design of novel protein therapeutics, including peptides and small proteins, by exploring vast sequence spaces and optimizing for desired properties such as stability, specificity, and manufacturability. The company’s quantum computing approach provides advantages in sampling complex conformational states and optimizing multi-objective design problems inherent in drug discovery. Menten AI has developed a pipeline of proprietary therapeutic candidates and offers computational design services to pharmaceutical partners. Their technology represents a convergence of quantum computing and biotechnology that could accelerate the development of new medicines for diseases including cancer, autoimmune disorders, and infectious diseases.

Merck Quantum

Merck & Co. explores quantum computing applications for pharmaceutical research, focusing on quantum algorithms for drug discovery, molecular modeling, and clinical trial optimization to accelerate therapeutic development. The company investigates quantum machine learning for analyzing complex biological data, protein-drug interactions, and personalized medicine approaches that could enhance pharmaceutical research capabilities. Merck collaborates with quantum computing companies and research institutions to leverage quantum advantages in computational chemistry, vaccine development, and therapeutic optimization, exploring quantum technologies that could improve drug discovery processes, reduce development timelines, and enhance therapeutic efficacy across oncology, immunology, and infectious disease research programs for advancing global health outcomes.

Mesa Quantum

Mesa Quantum develops chip-scale quantum sensing technologies that integrate quantum sensors with advanced semiconductors to create miniaturized quantum sensing devices for precision measurement applications, focusing on atomic magnetometry, inertial navigation, and quantum sensing solutions that can be deployed in portable and mobile platforms, enabling quantum-enhanced sensing capabilities for defense, aerospace, and commercial applications requiring ultra-precise measurements in challenging environments where traditional sensors cannot achieve required performance levels.

Company Information

• Founded: 2019
• Country: United States
• Website: https://mesaquantum.com
• Categories: hardware

Investment Information

• Status: private
• Total Raised: $5.65M
• Last Valuation: $40M

Recent Funding Rounds

• 2024-09-18: seed - $3.75M - Seed funding for chip-scale quantum sensors
• 2024-06-20: grant - $1.9M - Space Force grant for Alternative PNT applications

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Mesa Quantum Systems

Mesa Quantum Systems is a CU Boulder faculty/alumni-founded company developing quantum computing solutions from the Boulder quantum ecosystem. The startup develops quantum hardware technology. Mesa Quantum represents the continuing commercialization of quantum research from Boulder’s world-leading quantum physics programs at JILA, NIST, and CU Boulder.

Company Information

• Founded: 2021
• Country: United States
• Website: N/A
• Categories: quantum processors

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MetOx International

MetOx International is a Houston-based manufacturer of second-generation high-temperature superconducting (2G HTS) wire and tape founded in 2000, developing cost-effective mass production methods for HTS materials. The company produces Yttrium Barium Copper Oxide (YBCO) superconducting wire with production capacities approaching 100 thousand kilometers per year, serving quantum computing and power industry applications. MetOx’s superconducting wire enables quantum computing infrastructure including superconducting qubits, quantum interconnects, and cryogenic quantum systems requiring high-performance superconducting materials. The company’s cost-effective manufacturing processes reduce superconductor costs, making quantum computing infrastructure more accessible. MetOx International serves quantum computing manufacturers, research institutions, cryogenic equipment providers, and quantum technology companies requiring reliable, high-quality superconducting wire for quantum processors, quantum communication systems, and quantum sensing applications operating at cryogenic temperatures.

Microsemi

Microsemi (now part of Microchip Technology) is the world leader in timing and network synchronization systems for highly accurate distribution using GPS-based timing, IEEE 1588 (PTP), Network Time Protocol (NTP), Synchronous Ethernet, and DOCSIS timing. Microsemi acquired Symmetricom in 2013 for $230 million and was subsequently acquired by Microchip Technology in 2018 for $8.35 billion. The company’s atomic clock products include the Chip-Scale Atomic Clock (CSAC-SA65) with operating temperatures from -10 to 70 degrees Celsius, 17 cubic centimeters in size, 35 grams weight, and only 120 milliwatts power. Microsemi’s MHM-2020 hydrogen maser offers the highest stabilities for any commercially available clock, designed for 20-year operating life with 95% of masers deployed since 1999 still operational. Products support quantum computing, communications, aerospace and defense, IT infrastructure, financial services, and power utilities with end-to-end timing solutions.

Microsoft Azure Quantum

In February 2025, Microsoft unveiled its Majorana-1 chip, a semiconductor-based device that leverages topological qubits, marking a fundamental shift toward scalable quantum computing. The topological qubit is small enough to fit into a hand but powerful enough to be integrated into quantum computers deployed inside Azure data centers. In February 2024, DARPA selected Microsoft Azure Quantum to continue developing a utility-scale quantum computer based on topological qubits, with the next phase focusing on designing a prototype topological quantum computer. In June 2025, a Microsoft Quantum team detailed a novel approach to topological error correction, exploring the application of four-dimensional geometric codes to enhance performance and reduce resource requirements for building practical, fault-tolerant quantum computers. Microsoft and Atom Computing also demonstrated record-breaking entanglement with 24 logical qubits, and Microsoft partnered with Quantinuum to achieve 800x error reduction in logical qubits.

Montana Instruments

Montana Instruments is a USA-based manufacturer founded in 2014, providing integrated charcoal cryo-pumps for high vacuum operation in quantum computing applications. The company develops cryogenic systems and instruments for quantum research and quantum computing operations requiring ultra-low temperature environments. Montana Instruments manufactures cryostats and cryogenic platforms optimized for quantum processor testing, characterization, and operation at millikelvin temperatures. The company’s integrated cryogenic solutions enable researchers and quantum computing manufacturers to achieve stable ultra-low temperature environments essential for superconducting qubit operations. Montana Instruments serves quantum computing research laboratories, universities, and quantum hardware manufacturers requiring turnkey cryogenic solutions for quantum processor development, testing, and characterization applications. The company’s cryogenic platforms support quantum research across superconducting qubits, spin qubits, and other quantum computing modalities requiring cryogenic operation.

Morgan Stanley

Morgan Stanley is an American multinational investment bank and financial services company founded in 1935, headquartered in New York City. Morgan Stanley explores quantum computing applications for financial services including portfolio optimization, risk analysis, derivatives pricing, Monte Carlo simulations, and trading strategy optimization. The company collaborates with quantum computing providers including IBM and others developing quantum algorithms for financial applications. Morgan Stanley investigates quantum machine learning for financial data analysis and quantum optimization for asset allocation. The company serves global financial services markets requiring quantum-enhanced computational capabilities for complex financial calculations. Morgan Stanley advances quantum computing adoption in financial services industry demonstrating practical quantum applications for banking and investment management preparing financial sector for quantum advantage in computational finance.

Nano-Meta Technologies

Nano-Meta Technologies is an Indiana-based company creating technology that advances optical and quantum computing through development of nano-scale optical components and novel materials. The company received early investment from Quantum Wave Fund and develops metamaterials for super-resolution imaging, sensing, energy conversion, and biomedical applications. Nano-Meta’s innovations enable new generations of quantum photonic devices.

Company Information

• Founded: 2012
• Country: United States
• Website: https://nanometa.com
• Categories: quantum photonics, quantum materials

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NanoSonic

NanoSonic develops advanced nanomaterials and coatings for quantum computing applications including low-loss dielectric materials, superconducting films, and specialized substrates that enhance the performance of quantum devices by reducing decoherence and improving qubit quality factors in superconducting quantum systems.

Company Information

• Founded: 1998
• Country: United States
• Website: https://nanosonic.com
• Categories: hardware

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Nanosys

Nanosys is a California-based nanotechnology company founded by Larry Bock, Charles Lieber, and Paul Alivisatos, specializing in the development and manufacture of quantum dot materials for display applications. Headquartered in Milpitas, California’s Silicon Valley, the company operates a state-of-the-art quantum dot nanomaterials fabrication facility and holds a robust intellectual property portfolio with numerous patents. As of 2023, industry-leading consumer electronics brands have shipped over 70 million devices in more than 1,000 unique products based on Nanosys’ proprietary quantum dot technology, including tablets, monitors, and televisions. In September 2023, Nanosys was acquired by Shoei Chemical, Inc., with its world-class quantum dot research and development team and Silicon Valley laboratories now integrated into Shoei’s operations. Dr. Martin Devenney serves as CEO, succeeding Jason Hartlove who led the company from 2008 to 2023. Nanosys’ quantum dot enhancement films (QDEF) represent a major commercial success in applying quantum materials science to consumer technology.

National Instruments

National Instruments Corporation (now NI, part of Emerson following 2023 acquisition) is an American producer of automated test equipment and virtual instrumentation software founded in 1976, headquartered in Austin, Texas. NI provides test and measurement equipment, control systems, and software platforms (including LabVIEW) used extensively in quantum computing research and quantum technology development. The company solutions enable quantum hardware characterization, qubit control systems, quantum measurement instrumentation, and quantum computing test infrastructure. NI collaborates with quantum computing companies and quantum research institutions providing essential test equipment for quantum processor development and quantum system validation. NI serves quantum technology industry, research laboratories, and quantum hardware developers requiring flexible test and measurement platforms for quantum computing systems and quantum technology experimentation.

NetraMark

NetraMark is a quantum technology company (originally from Toronto, now Boston-based) applying quantum approaches to AI and machine learning problems. The company develops quantum-inspired and quantum-enhanced machine learning algorithms to solve complex optimization and pattern recognition challenges. NetraMark’s technology bridges quantum computing and artificial intelligence, targeting applications where quantum algorithms can provide computational advantages in data analysis and predictive modeling.

Company Information

• Founded: 2018
• Country: United States
• Website: https://netramark.com
• Categories: quantum software, quantum ML

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Newport Corporation Quantum Division

Newport Corporation manufactures piezo motor linear actuators for nanoscale precision positioning in quantum computing and photonics. The California company provides photonics and motion control products. Newport’s precision positioning systems, optical mounts, and vibration isolation platforms serve quantum optics laboratories and quantum computing companies requiring ultra-stable optical setups and precise alignment.

Company Information

• Founded: 1969
• Country: United States
• Website: https://newport.com
• Categories: quantum components, precision motion

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NIST

National Institute of Standards and Technology (NIST) is a USA federal agency founded March 3, 1901, located in Gaithersburg, Maryland and Boulder, Colorado, operating under United States Department of Commerce. NIST conducts quantum computing research developing quantum standards, quantum metrology, post-quantum cryptography standards, and quantum networking protocols. The Joint Quantum Institute (JQI) is collaboration between NIST and University of Maryland conducting fundamental quantum research spanning trapped ions, neutral atoms, superconducting qubits, and quantum simulation. NIST leads National Quantum Initiative coordination through National Quantum Coordination Office housed within White House Office of Science and Technology Policy. In 2024 NIST published first post-quantum cryptography standards (FIPS 203, 204, 205) protecting against quantum computer threats. NIST serves government agencies, industry, and research institutions requiring quantum standards, quantum measurement techniques, and quantum-safe cryptography standards. NIST advances quantum technology through fundamental research, standards development, and technology transfer supporting USA quantum leadership.

Nokia Bell Labs

Nokia Bell Labs conducts advanced quantum networking and quantum communications research as part of their fundamental research programs, investigating quantum internet technologies, quantum network protocols, quantum-safe communications, and quantum information processing for next-generation telecommunications infrastructure, developing quantum networking solutions that could enhance network security, enable distributed quantum computing, and support quantum-enhanced applications, collaborating with academic institutions and industry partners to advance the scientific understanding and practical implementation of quantum technologies for telecommunications and networking applications.

Nokia Bell Labs Quantum Division

Nokia Bell Labs’ quantum research division is working on topological quantum computers using gallium arsenide sandwiches at millikelvin temperatures. In 2023, Bell Labs researchers demonstrated key ingredients for topological quantum computing, which promises inherent error protection through exotic quasiparticles called anyons. As the historic research arm of Nokia with a legacy of fundamental breakthroughs including the transistor and laser, Bell Labs brings deep semiconductor physics expertise to the challenge of building fault-tolerant topological qubits.

Northrop Grumman

Northrop Grumman develops quantum computing applications for defense and aerospace sectors, focusing on quantum technologies for secure communications, quantum sensing, quantum radar, and quantum computing systems that provide military and intelligence advantages for national security applications.

Company Information

• Founded: 2020
• Country: United States
• Website: https://northropgrumman.com
• Categories: quantum defense

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Northwest Quantum Nexus

Northwest Quantum Nexus is a coalition of Microsoft, Pacific Northwest National Laboratory, University of Washington, WSU, IonQ, UO, AWS, and Boeing for quantum R&D hub development. The consortium coordinates quantum research and commercialization. Northwest Quantum Nexus leverages the Pacific Northwest’s strengths in quantum research, cloud computing, and aerospace to build a regional quantum technology cluster.

Company Information

• Founded: 2019
• Country: United States
• Website: https://nwquantum.com
• Categories: research consortium

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NTT Research

NTT Research Inc. is the US research division of NTT (Nippon Telegraph and Telephone) founded in 2019, headquartered in Sunnyvale, California. NTT Research Physics & Informatics Laboratories conduct quantum computing research developing optical parametric oscillators (OPO) for quantum computing and quantum algorithms. The company collaborates with universities and quantum institutions advancing quantum computing hardware and quantum applications. NTT Research explores quantum optimization quantum machine learning and quantum simulation using coherent Ising machines and other quantum-inspired approaches. The company serves quantum research community and enterprise clients requiring quantum computing capabilities. NTT Research contributes to quantum computing advancement combining Japanese quantum research excellence with Silicon Valley innovation advancing practical quantum computing systems and quantum technology commercialization.

Nucrypt

Nucrypt manufactures photonic instrumentation, including quantum entanglement generation, distribution, and measurement systems. The company develops advanced photonic components and systems for quantum communication, quantum key distribution, and quantum sensing applications. Nucrypt provides hardware solutions for quantum networks and secure quantum communication infrastructure with focus on practical deployment of quantum technologies.

Company Information

• Founded: 2019
• Country: United States
• Website: https://nucrypt.com
• Categories: quantum photonics, hardware

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Nucrypt LLC

Nucrypt is a Texas-based quantum security company developing quantum random number generators and quantum-safe cryptography solutions. The company provides QRNG hardware and quantum-enhanced security services to protect sensitive data and communications against quantum computer threats. Nucrypt targets government, defense, and enterprise customers requiring quantum-safe security infrastructure to protect critical information assets in the post-quantum cryptography era.

Company Information

• Founded: 2018
• Country: United States
• Website: https://nucrypt.com
• Categories: quantum security, QRNG

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NVIDIA

NVIDIA provides quantum computing services and infrastructure through their CUDA Quantum platform and DGX Quantum systems that enable hybrid quantum-classical computing by combining quantum processors with NVIDIA’s GPU-accelerated computing platform, offering quantum simulation capabilities, quantum circuit optimization, and quantum machine learning tools that leverage classical GPU computing to enhance quantum algorithm development and execution across various quantum hardware platforms. In September 2025, NVIDIA announced the establishment of its NVIDIA Advanced Quantum Computing (NVAQC) research center in Boston, Massachusetts, focused on advancing hybrid quantum-classical algorithms, quantum error mitigation techniques, and GPU-accelerated quantum simulation for drug discovery and materials science applications, strengthening NVIDIA’s quantum computing ecosystem partnerships with leading quantum hardware providers.

NY CREATES

NY CREATES (New York Center for Research, Economic Advancement, Technology, Engineering, and Science) is a non-profit organization founded in 2014, owning and operating Albany NanoTech Complex, the nation’s most advanced publicly-owned semiconductor R&D facility. In 2024, Albany NanoTech was designated as first National Semiconductor Technology Center research and development site. NY CREATES develops superconducting quantum computing with Bleximo’s Rubicon platform for multi-qubit quantum processor testing, providing R&D into scalable quantum computing systems with Ta-based Josephson junctions, high-quality-factor coplanar waveguide resonators, and superconducting nanowires at 300mm wafer scale. NY CREATES partnered with PsiQuantum advancing integrated photonics for quantum computing applications, and with Nord Quantique on CMOS-based qubit fabrication using semiconductor tools. NY CREATES serves quantum computing manufacturers requiring advanced semiconductor fabrication capabilities for superconducting and photonic quantum processors.

Oak Ridge National Laboratory

In 2024-2025, Oak Ridge National Laboratory achieved several major quantum computing milestones. In September 2025, Riverlane’s Deltaflow 2 real-time quantum error correction system was installed at ORNL, marking the first dedicated real-time QEC integration at a U.S. national laboratory. Also in September 2025, ORNL and Australian-German company Quantum Brilliance inaugurated the United States’ first on-site commercial quantum-computer cluster, the first of its kind to integrate a diamond-based quantum processor into a high-performance computing (HPC) environment. On August 29, 2025, ORNL released a comprehensive study outlining software architecture designed to integrate quantum computers with the world’s fastest supercomputers, notably the exascale machine Frontier. In November 2024, ORNL added IQM Resonance quantum cloud service to its Quantum Computing User Program. In August 2025, ORNL researchers developed a quantum microscope for nanoscale imaging and a multihop quantum network integrating with fibre-optic infrastructure. These developments demonstrate ORNL’s leadership in quantum-HPC integration.

Octave Photonics

Octave Photonics is a NIST ecosystem company developing integrated photonics for quantum and classical applications. The Boulder company manufactures photonic integrated circuits. Octave Photonics’ chip-scale photonic devices enable miniaturization and cost reduction for quantum communications, quantum sensing, and quantum computing applications through integrated photonics technology.

Company Information

• Founded: 2018
• Country: United States
• Website: https://octavephotonics.com
• Categories: quantum components, photonics

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Oracle

Oracle Corporation is an American multinational computer technology corporation founded June 16 1977 headquartered in Austin Texas. QMware provider of hybrid quantum computing cloud services is working with Oracle and Nvidia to test and develop hybrid quantum computing service for enterprise customers. The test uses Oracle Cloud Infrastructure powered by Nvidia A100 Tensor Core GPU clusters as well as Nvidia CUDA Quantum open-source hybrid quantum computing platform. Oracle provides cloud infrastructure supporting quantum computing workloads and hybrid quantum-classical algorithms. Oracle serves enterprise customers requiring quantum-enhanced computational capabilities for optimization simulation and machine learning applications through cloud services and infrastructure supporting quantum technology integration.

Palo Alto Networks

Palo Alto Networks is a leading cybersecurity company that has integrated quantum-safe security capabilities across its Next-Generation Firewall and Secure Access Service Edge (SASE) platforms. The company introduced post-quantum VPNs in November 2023 and offers a Quantum Readiness Dashboard for enterprise-wide visibility and control. Rather than operating a separate quantum division, Palo Alto Networks has embedded quantum-resistant cryptography throughout its product lines and partners with quantum technology firms and government initiatives on PQC standards.

Patero

Patero is a United States-based quantum security company founded in 2020 that developed a network security solution reducing the exposed attack surface while encrypting data-in-motion with hybrid post-quantum encryption (hybrid-PQC). Patero’s hybrid-PQC solution enhances classical cryptosystems with quantum-resistant encryption algorithms selected by the National Institute of Standards and Technology (NIST). The company’s approach combines current encryption standards with post-quantum cryptography for defense-in-depth protection against both classical and quantum computing threats. Patero is recognized as a key player in the global Post-Quantum Cryptography Market alongside NXP Semiconductor, Thales, AWS, IDEMIA, and Palo Alto Networks. The company provides enterprise network security solutions implementing NIST-approved PQC algorithms for securing data transmission across corporate networks, cloud environments, and hybrid infrastructure. Patero serves enterprises, government agencies, financial institutions, healthcare organizations, and telecommunications operators requiring quantum-safe data-in-motion encryption protecting against harvest now, decrypt later attacks.

Pfizer

Pfizer investigates quantum computing applications for pharmaceutical research and drug discovery, exploring quantum algorithms for molecular modeling, drug design optimization, and clinical trial analytics that could accelerate the development of new vaccines and therapeutic treatments, collaborating with quantum computing companies and academic institutions to leverage quantum simulation capabilities for understanding complex biological systems, protein interactions, and drug mechanisms of action, contributing to the pharmaceutical industry’s adoption of quantum technologies to enhance research productivity, reduce development costs, and improve patient outcomes through more effective drug discovery and personalized medicine approaches.

Phoenix Company of Chicago PkZ Quantum

Phoenix Company of Chicago provides PkZ Connection Technology specialized for quantum computing RF interconnects and cabling. The historic Chicago company manufactures RF components. Phoenix’s PkZ quantum interconnect technology provides high-density, low-loss RF connections for quantum computing systems, addressing the challenge of routing thousands of RF control lines in cryogenic quantum processors.

Company Information

• Founded: 1947
• Country: United States
• Website: https://phoenixofchicago.com
• Categories: quantum components, rf interconnects

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Photon Queue

Photon Queue is the first startup from University of Illinois Urbana-Champaign accepted into Duality Accelerator and the first quantum-focused UIUC startup, led by current and former PhD students from physics professors Paul Kwiat and Virginia Lorenz’s labs, based on research from Kwiat’s group. The company develops efficient and less costly quantum memories by storing single photons in free-space storage loops using optical switches paired with high-reflectivity mirrors, avoiding complex transduction processes required by other quantum memory approaches. Photon Queue’s unique approach keeps photonic qubits intact through motion in compact spaces, avoiding costly cryogenics, ovens, or vacuums, designed to work with virtually any single photon source. The technology uses multiplexed optical delay lines and Herriott cells for compact, efficient photon storage. Photon Queue joined Chicago Quantum Exchange as corporate partner. Applications include quantum communication, computing, and metrology requiring photon storage and retrieval for quantum information processing and distributed quantum systems.

Photon Spot

Photon Spot is a California-based company specializing in sub-Kelvin cryogenic systems and superconducting nanowire single-photon detectors (SNSPDs) for quantum technology applications. Founded in 2009 and headquartered in Monrovia, California, the company offers detectors with ultralow dark counts, precise timing resolution, and high quantum efficiency, combined with cryogenic systems operating at temperatures below 1 Kelvin. Photon Spot’s products serve quantum communications, quantum computing, quantum sensing, and semiconductor diagnostics applications. The company’s ultra-compact, ultra-low vibration cryogenic systems support time-resolved imaging applications benefiting integrated circuit manufacturers and quantum technology researchers. Primary customers include research institutions, national laboratories, and companies engaged in quantum-related research and development. Backed by investors including the National Science Foundation, Photon Spot represents American innovation in single-photon detection technology critical to photonic quantum computing, quantum key distribution, and quantum metrology applications.

PHPK Technologies

PHPK Technologies provides cryogenic and high vacuum equipment, vacuum jacketed piping, and CVI Torr Master Cryopump product line for quantum applications. The company manufactures vacuum systems. PHPK’s vacuum pumps and cryogenic equipment serve quantum computing and quantum sensing applications requiring ultra-high vacuum environments and cryogenic pumping capabilities.

Company Information

• Founded: 1960
• Country: United States
• Website: https://phpk.com
• Categories: quantum components, vacuum systems

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Physical Sciences Inc

Physical Sciences Inc (PSI) is a research and development company founded in 1973 that has developed extensive capabilities in quantum sensing and quantum technology applications for defense and commercial markets. The company specializes in advanced sensing technologies including quantum-enhanced magnetometers, atomic clocks, and precision measurement systems for navigation, geophysical surveying, and scientific instrumentation. PSI develops quantum sensors based on atomic physics principles for applications in magnetic field sensing, gravitational measurements, and inertial navigation systems that provide superior performance compared to classical sensors. The company’s quantum technology research spans fundamental physics research, sensor development, and system integration for government and commercial customers, contributing to advances in quantum sensing technologies for aerospace, defense, and scientific applications with particular expertise in cold atom systems and precision measurement techniques.

Picarro

Picarro, Inc. is a California-based company founded in 1998, specializing in gas analyzers based on cavity ring-down spectroscopy (CRDS) technology for atmospheric science, greenhouse gas measurement, air quality monitoring, and industrial applications. Headquartered in Santa Clara, California, Picarro holds dozens of patents related to CRDS technology and designs and manufactures products at its Silicon Valley facility. Led by CEO Alex Balkanski since November 2013, Picarro provides precision measurement solutions for monitoring greenhouse gases, volatile organic compounds, fugitive emissions, energy exploration and distribution, and supply chain integrity. The company’s CRDS-based instruments offer ultra-precise trace gas detection leveraging quantum mechanical principles of light-matter interaction for applications in environmental monitoring, climate research, and industrial process control. In 2023, Italian energy infrastructure company Italgas became a shareholder in Picarro, expanding its global reach. Picarro’s quantum sensing capabilities serve research institutions, government agencies, and commercial customers requiring parts-per-trillion sensitivity for gas detection and atmospheric analysis.

PINC Technologies

PINC Technologies is a Pasadena-based Caltech spinout founded in 2023 that develops scalable nonlinear photonic integrated circuits for quantum computing applications. The company emerged from stealth in October 2025 with $6.8 million in seed funding led by BootstrapLabs, with participation from Catalus Capital and Convergent Ventures, to unlock scalable nonlinearity for photonic chips through their proprietary NanoPPLN platform. PINC’s technology brings high-performance nonlinear optics to integrated photonic circuits, enabling applications in quantum computing, optical sensing, artificial intelligence, data networks, biomedical devices, atomic clocks, lidar, and metrology. The company’s NanoPPLN platform addresses the missing scalable nonlinearity in photonic integrated circuits, making nonlinear optics fully integrated and scalable for next-generation quantum and photonic systems, contributing to advances in quantum photonics and enabling new capabilities across multiple technological domains requiring integrated nonlinear optical components. The seed funding will be used to scale production of their NanoPPLN chips and expand commercial partnerships in quantum computing and photonic systems industries.

POLARISqb

POLARISqb is a US quantum biotechnology company founded in 2020 that applies quantum computing and quantum-inspired algorithms to accelerate drug discovery and development, using quantum molecular simulation and optimization techniques to identify novel drug candidates and optimize molecular properties more efficiently than classical computational methods, focusing on leveraging quantum advantage for pharmaceutical applications including drug design, molecular modeling, and therapeutic target identification to reduce drug development timelines and costs.

Post-Quantum Coalition

The Post-Quantum Coalition is an international industry consortium established in 2021 that brings together technology companies, cybersecurity organizations, and research institutions to accelerate the development and adoption of post-quantum cryptography standards and quantum-safe security solutions, coordinating efforts to prepare for the quantum computing threat to current encryption methods, promoting awareness of quantum security risks, supporting NIST post-quantum cryptography standardization efforts, and facilitating collaboration between industry and government to ensure smooth transition to quantum-resistant cryptographic systems before cryptographically relevant quantum computers become available.

Princeton University

Princeton University is a private Ivy League research university founded 1746 in Princeton New Jersey. Princeton Center for Complex Materials and Princeton Quantum Initiative provide top training in quantum information science. Princeton conducts quantum research spanning quantum processors quantum algorithms quantum materials quantum networks and quantum simulation. The university quantum programs advance fundamental quantum science and quantum technology development. Princeton maintains research partnerships with government laboratories and quantum computing companies. Princeton serves quantum research community through quantum physics research quantum engineering programs and quantum education advancing quantum information science and quantum technology development supporting USA quantum competitiveness and scientific leadership in quantum computing.

Project Eleven

Project Eleven is a US-based cybersecurity company founded in 2021, developing post-quantum cryptographic infrastructure for blockchains and digital assets to secure them against future quantum computing threats. The company specializes in quantum-resistant encryption technologies, post-quantum cryptographic protocols, and blockchain security solutions designed to maintain security even when quantum computers become capable of breaking traditional cryptographic methods. Project Eleven provides quantum-safe security solutions for cryptocurrency platforms, blockchain networks, digital asset management, and decentralized finance applications, helping organizations prepare for the quantum computing era. The company develops cryptographic libraries, security protocols, and consulting services for blockchain companies and cryptocurrency platforms seeking to implement quantum-resistant security measures.

Promethium

Promethium is QC Ware’s new software-as-a-service (SaaS) quantum chemistry platform introduced in April 2024 that promises to significantly speed up discovery processes in pharmaceutical, chemical, and material sectors. The platform provides quantum-enhanced computational chemistry tools for molecular simulation, drug discovery, and materials design. Promethium combines quantum algorithms with classical computational chemistry methods to achieve more accurate and faster molecular property predictions. The platform targets researchers and companies developing new drugs, catalysts, and advanced materials. QC Ware’s Promethium platform is cloud-based, providing easy access to quantum chemistry capabilities without requiring specialized quantum computing expertise. The software integrates with existing computational chemistry workflows and provides validation against experimental data. QC Ware, founded in 2014 and headquartered in Mountain View, California, specializes in enterprise quantum applications.

Protiviti Inc. Quantum Computing Services

Protiviti is a global consulting firm with dedicated quantum computing services for post-quantum risk assessments, readiness workshops, and quantum roadmaps, hosting The Post-Quantum World podcast. The firm helps organizations assess quantum computing opportunities and threats, develop quantum strategies, and prepare for post-quantum cryptography transitions. Protiviti serves clients across financial services, healthcare, technology, and government sectors with quantum risk management, quantum computing readiness assessments, and post-quantum cryptography implementation planning.

PsiQuantum

In September 2025, PsiQuantum announced the closing of a $1 billion Series E funding round, valuing the company at $7 billion and enabling construction of utility-scale quantum sites in Brisbane, Australia, and Chicago, United States. The round was led by affiliates of BlackRock and backed by Temasek, Baillie Gifford, Macquarie Capital, Ribbit Capital, NVentures, Adage Capital Management, the Qatar Investment Authority, Type One Ventures, Counterpoint Global, 1789 Capital and S Ventures. The company secured significant funding from the Australian and Queensland governments in 2024 to build the world’s first utility-scale, fault-tolerant quantum computer in Brisbane with target completion by the end of 2027. In February 2025, DARPA selected PsiQuantum to advance to the final phase of its Utility-Scale Quantum Computing Program. On April 15, 2025, PsiQuantum secured a $10.8 million contract with the Air Force Research Laboratory (AFRL). The company is now breaking ground on major facilities in both Chicago and Brisbane, building million-qubit scale fault-tolerant quantum computers using high-volume manufacturing of integrated photonic chips and 300 mm wafers produced at GlobalFoundries Fab 8 in New York.

qAIntum.ai

qAIntum.ai develops quantum neural networks and quantum artificial intelligence algorithms that leverage quantum computing principles to enhance machine learning capabilities, focusing on quantum-enhanced AI models for pattern recognition, optimization, and data analysis applications that could provide advantages over classical AI approaches.

Company Information

• Founded: 2021
• Country: United States
• Website: https://qaintum.ai
• Categories: software

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qBraid

qBraid is a US quantum computing platform company founded in 2021 that provides the world’s most connected cloud-based quantum development environment, offering unified access to 24+ quantum devices from Amazon Braket, Azure Quantum, and other providers through a single interface, supporting 18+ quantum SDKs with cross-framework conversion capabilities and qBraid Lab IDE, serving over 18,000 quantum developers with no-setup-required access to quantum hardware, simulators, and development tools for research and enterprise quantum applications.

QC Ware

QC Ware provides enterprise quantum computing software and services, developing quantum algorithms and applications for optimization, machine learning, and simulation while offering platform-agnostic access to quantum hardware from multiple providers. The company’s Forge platform enables data scientists to leverage quantum computing without deep quantum physics expertise, focusing on near-term quantum advantage in areas like portfolio optimization, drug discovery, and materials science. QC Ware partners with major enterprises and government organizations to identify and implement practical quantum computing solutions.

QDIR

QDIR (Quantum Dot Infrared) is a Chicago-based quantum imaging startup incorporated in 2020 by Matthew Ackerman and Professor Philippe Guyot-Sionnest from the University of Chicago. The company develops infrared imaging arrays using silicon microchips coated with mercury telluride quantum dots, creating cost-effective high-performance infrared detectors and cameras. QDIR’s quantum dot nanomaterial technology enables short-wave infrared imaging at significantly lower costs compared to traditional infrared detector technologies. The company joined Chain Reaction Innovations’ Cohort 4 at Argonne National Laboratory in June 2020, a two-year entrepreneurship program supporting early-stage quantum and energy technologies. QDIR’s colloidal quantum dot image sensors target applications in defense, industrial inspection, autonomous vehicles, medical imaging, and scientific research where infrared imaging capabilities are critical but traditional technologies are cost-prohibitive.

Qermit

Qermit is Quantinuum’s error mitigation software tool that works alongside TKET compiler and LAMBEQ natural language processing software as part of Quantinuum’s developer tools suite. Qermit provides error mitigation techniques to improve accuracy of quantum computations on noisy intermediate-scale quantum (NISQ) devices. The software implements various error mitigation strategies including zero-noise extrapolation, probabilistic error cancellation, and measurement error mitigation. Qermit integrates with TKET-compiled circuits to provide end-to-end error mitigation pipeline from circuit optimization to error-mitigated results. Designed to be hardware-agnostic, working with various quantum computing platforms. Helps researchers and developers achieve more accurate results from current quantum hardware by reducing impact of noise and errors. Part of Quantinuum’s comprehensive quantum software stack enabling practical quantum computing applications.

Qiskit

Qiskit is IBM’s open-source quantum computing framework launched in 2017 that has become the world’s most widely used quantum development platform, providing comprehensive tools for quantum circuit design, quantum algorithm implementation, quantum machine learning, and quantum application development, supporting quantum hardware from multiple providers and enabling researchers, developers, and students worldwide to learn quantum computing, build quantum applications, and contribute to the global quantum computing ecosystem through its extensive documentation, tutorials, and community support.

Qolab

Qolab is a Madison, Wisconsin-based superconducting quantum computing company founded in 2022 by Dr. John Martinis, former Google Quantum AI lead scientist, and Dr. Robert McDermott from the University of Wisconsin-Madison. The company secured over $16 million in Series A financing led by Octave Ventures with co-investment from Development Bank of Japan Inc., Wisconsin Alumni Research Foundation, and Phoenix Venture Partners to develop reliable, high-performance quantum processors. Led by CEO Alan Ho, Qolab combines a physics-driven approach with a focus on qubit quality and practical hardware solutions, leveraging semiconductor fabrication tools and innovative scaling techniques for quantum computing systems. The company’s mission is to develop utility-scale quantum computing technology that meets the growing demand for reliable quantum processors, building on the pioneering work of its founders in superconducting quantum systems and quantum error correction.

Qrypt

Qrypt is a US quantum-secure encryption company founded in 2017 that develops distributed quantum key generation technology eliminating the need to transmit encryption keys, using the BLAST protocol to enable independent symmetric key generation at multiple endpoints without key transmission risks, leveraging quantum random number generation through partnerships with Los Alamos National Labs to provide cloud-based quantum entropy services achieving 1.5 Gbps data rates, offering quantum-secure encryption solutions integrated with NVIDIA BlueField-3 DPUs and Megaport networks to protect against ‘harvest now, decrypt later’ attacks with anti-obsolescent architecture that remains secure even against future quantum computers.

Qrypt Inc.

Qrypt is a quantum security company using quantum entropy to generate truly random keys distributed via secure quantum channels, going beyond traditional post-quantum cryptography algorithms. The company provides quantum-secure key generation and distribution services that leverage quantum random number generation for unbreakable encryption. Qrypt’s technology offers information-theoretic security based on quantum physics principles, providing security guarantees stronger than computational security assumptions underlying post-quantum cryptography.

Company Information

• Founded: 2017
• Country: United States
• Website: https://www.qrypt.com
• Categories: QRNG, quantum security

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QryptoCyber

QryptoCyber is a USA-based cryptographic discovery and inventory platform specializing in integrated post-quantum cryptographic audit tools identifying, cataloging, and managing quantum-vulnerable cryptographic systems across digital environments. The company automates creation of Cryptography Bill of Materials (CBOM) providing comprehensive inventories of cryptographic algorithms, keys, certificates, and protocols used within software and hardware systems. Powered by Cryptographic AI, QryptoCyber uncovers encryption footprints and converts them into living CBOMs, scanning across five essential pillars: external networks, internal networks, IT/IoT assets, databases, and code. QryptoCyber delivers complete CBOMs within weeks requiring zero new agent installs by connecting to existing tools. The platform transforms CBOMs into dynamic strategies for remediation, orchestration, and crypto agility, addressing urgent quantum readiness as governments and regulators set targeting 2028 deadlines for critical systems transitioning to post-quantum cryptography.

QSimulate

QSimulate is a Cambridge-based quantum molecular simulation company founded in 2018 by Garnet Chan and Toru Shiozaki that develops cloud-based quantum chemical simulation tools for pharmaceutical, materials, and chemical companies. In August 2025, QSimulate partnered with Mitsui & Co. and Quantinuum to launch QIDO (Quantum-Integrated Discovery Orchestrator), a quantum-enabled chemistry platform that integrates QSimulate’s QSP Reaction software with Quantinuum’s InQuanto platform to enable high-precision chemical simulations. The company’s QSP platform enables customers to perform quantum chemical simulations modeling thousands of atoms with state-of-the-art quantum chemistry methods, enabling first-of-a-kind quantum simulations of ligand-protein interactions throughout the computational drug discovery pipeline. QSimulate has raised $11.34 million in total funding including a $2.5 million Series A round in 2023, with strategic partnerships including Japan Tobacco for small molecule drug discovery acceleration.

Quabacus

Quabacus is a quantum computing software company developing quantum algorithms and applications for complex optimization problems, focusing on quantum solutions for supply chain optimization, financial portfolio management, and resource allocation challenges. The company creates quantum software tools and consulting services for enterprises seeking to leverage quantum computing advantages in business optimization applications, working with Fortune 500 companies to implement quantum-enhanced solutions for logistics, scheduling, and decision-making processes. Quabacus provides quantum algorithm development services, quantum computing consulting, and hybrid classical-quantum optimization platforms that enable businesses to explore quantum computing benefits while integrating with existing enterprise systems and workflows.

Qualcomm

Qualcomm Incorporated is an American multinational semiconductor and telecommunications equipment company founded in 1985, headquartered in San Diego, California. Qualcomm explores quantum technologies including post-quantum cryptography for mobile communications, quantum random number generation, and quantum-safe security for 5G networks. The company invests in quantum research through Qualcomm Ventures including quantum communication startups and quantum security companies. Qualcomm investigates quantum computing applications for wireless optimization and network management. The company serves global telecommunications markets, mobile device manufacturers, and wireless infrastructure providers requiring quantum-safe security and post-quantum cryptography for mobile communications. Qualcomm contributes to quantum-safe telecommunications development advancing post-quantum security standards for 5G and future mobile networks protecting wireless communications against quantum computing threats.

Quantic X-Microwave

Quantic X-Microwave was founded in 2013 by John Richardson and Raymond Page in Austin, Texas, opening for business in 2015, acquired by Quantic Electronics in August 2021. The company delivers industry-leading performance through advanced RF and microwave solutions for aerospace, defense, quantum computing, wireless infrastructure, and radar applications. Quantic X-Microwave offers patented X-MWsystem modular design technology revolutionizing RF and microwave industry, consisting of large portfolio of modular X-MWblock drop-in components featuring amplifiers, mixers, switches, and attenuators. The company serves quantum computing sector with specialized RF and microwave components for demanding quantum processor control and readout systems. Quantic X-Microwave provides quick turn simulation, prototyping, and production services for quantum computing manufacturers, research laboratories, and aerospace companies requiring high-performance modular RF solutions for quantum technology applications and quantum computing control systems.

Quantum Circuits Inc

Quantum Circuits Inc develops superconducting quantum computers with focus on novel qubit designs and quantum error correction techniques, working to advance the scalability and performance of superconducting quantum systems through innovative circuit architectures and control methodologies for practical quantum computing applications.

Company Information

• Founded: 2015
• Country: United States
• Website: https://quantumcircuits.com
• Categories: hardware

Investment Information

• Status: private
• Total Raised: $80M
• Last Valuation: $300M

Recent Funding Rounds

• 2024-08-15: series-b - $60M - Series B funding for dual-rail qubit quantum systems with built-in error detection
• 2021-03-18: series-a - $20M - Series A funding round

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Quantum Computing Inc

Quantum Computing Inc (QCI) is a quantum software and applications company that secured $750 million in funding in October 2025, representing one of the largest quantum software investments in history. Founded in 2013, QCI develops quantum software platforms and applications enabling organizations to solve complex optimization problems using quantum and quantum-inspired algorithms. The company provides accessible quantum computing solutions for businesses without requiring deep quantum expertise through their ready-to-use quantum applications, Qatalyst quantum software platform, and consulting services. QCI’s technology portfolio includes quantum optimization solutions for logistics, supply chain management, financial modeling, and drug discovery applications. The company’s $750M funding round positions QCI as a major player in commercializing quantum software applications, with the capital supporting expansion of their enterprise quantum software offerings and acceleration of quantum-inspired algorithm development for near-term practical applications across multiple industries.

Quantum Computing Inc. Photonic Foundry

Quantum Computing Inc. operates a quantum photonic chip manufacturing facility in Tempe, Arizona, producing Thin Film Lithium Niobate (TFLN) chips for quantum computing, machine learning, and sensing applications. The company’s photonic foundry represents critical infrastructure for developing integrated quantum photonic systems. By combining quantum photonics fabrication with quantum computing systems development, QCI aims to accelerate commercialization of photonic quantum technologies for entropy computing and photonic optimization applications.

Quantum Corporation

Quantum Corporation is an American data storage and management company founded in 1980 headquartered in San Jose California specializing in backup recovery and archive solutions. While company name includes quantum it primarily focuses on traditional data storage rather than quantum computing. However Quantum Corporation increasingly addresses quantum security concerns developing post-quantum cryptography solutions and quantum-safe data protection for long-term data storage preparing storage infrastructure for quantum computing threats. The company explores quantum-resistant encryption methods for protecting archived data against future quantum attacks. Quantum Corporation serves enterprise customers government agencies and organizations requiring secure long-term data storage quantum-safe archival solutions and post-quantum cryptography implementations protecting data against emerging quantum computing threats to current encryption standards.

Quantum Design

Quantum Design specializes in cryogenic measurement systems and ultra-low temperature equipment for quantum research and quantum device characterization, providing SQUID magnetometers, dilution refrigerators, and precision measurement instruments that enable scientists to study quantum phenomena and develop quantum technologies over four decades of innovation.

Company Information

• Founded: 1982
• Country: United States
• Website: https://qd-usa.com
• Categories: infrastructure

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Quantum Economic Development Consortium

Quantum Economic Development Consortium serves as a collaborative industry consortium that brings together quantum technology companies, research institutions, and government agencies to accelerate quantum technology development and establish quantum supply chains, standards, and workforce development programs across the United States.

Company Information

• Founded: 2018
• Country: United States
• Website: https://quantumconsortium.org
• Categories: research

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Quantum Flow Technologies

Quantum Flow Technologies manufactures specialized pumps and fluid handling equipment for quantum computing infrastructure. The company provides vacuum pumps, cryogenic fluid handling systems, and precision flow control equipment essential for quantum computer cooling systems. Quantum Flow Technologies serves quantum hardware manufacturers requiring ultra-reliable fluid and vacuum systems for maintaining quantum processor operating conditions.

Company Information

• Founded: 2018
• Country: United States
• Website: https://www.quantumflowtech.com
• Categories: hardware, quantum infrastructure

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Quantum Generative Materials

GenMat is a vertically integrated materials engineering company that leverages quantum-ready AI and machine learning for materials discovery. The company developed ZENO, a proprietary physics-based AI platform for high-throughput materials discovery that simulates tens of thousands of new material properties with over 98% accuracy, dramatically accelerating R&D timelines in semiconductors and advanced materials industries. GenMat raised $15 million from Comstock Inc. and was acquired by Comstock in October 2024.

Quantum Industries

Quantum Industries is a US quantum technology company founded in 2021 that develops comprehensive quantum infrastructure solutions including specialized components, systems, and services essential for quantum computing operations, focusing on providing the supporting infrastructure and ecosystem needed for quantum technologies to operate effectively, serving quantum computing companies, research institutions, and enterprises with the foundational infrastructure required to build, deploy, and maintain quantum computing systems and applications.

Company Information

• Founded: 2021
• Country: United States
• Website: https://www.quantum-industries.eu/
• Categories: infrastructure

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Quantum Microwave

Quantum Microwave offers millimeter and microwave low noise amplifiers, attenuators, cryogenic products, mixers, multipliers, bias tees, filters, and more for quantum computing applications. The company provides cryogenic testing available at 4K and 10 mK temperatures. Quantum Microwave’s cryogenic components are designed with OFHC Copper for optimal thermal conductivity in ultra-low temperature environments. The company’s amplifiers and attenuators minimize noise at cryogenic temperatures, enabling accurate detection of quantum signals. On quantum computer control lines, attenuators reduce thermal radiation and signal power to levels suitable for qubit control, while amplifiers on readout lines make quantum signals detectable at room temperature. Quantum Microwave serves quantum computing manufacturers requiring high-performance RF and microwave components for superconducting quantum processors, trapped ion systems, and other quantum computing platforms requiring ultra-low noise cryogenic signal processing.

Quantum Technology Consulting

Quantum Technology Consulting (QTC) is a consultancy firm founded in 2019 with operations in New York and Stockholm, combining deep domain expertise in quantum science with understanding of business needs. The company’s team consists of experienced quantum researchers with business development familiarity, offering consultancy services across quantum computing, quantum communications, quantum sensing, quantum imaging, and quantum cryptography. QTC educates clients on quantum technologies and basic quantum physics, focusing on the most relevant areas for their specific business needs. Services include expert assessment of likelihood of success, challenges, risks, time scales, and market potentials for quantum technology adoption. The company serves B2B clients seeking to understand quantum computing applications such as quantum simulation, optimization, cryptography, networks, imaging, and sensing systems. Operating from both the United States and Sweden, Quantum Technology Consulting bridges the gap between quantum research and commercial implementation, helping enterprises navigate the complex landscape of quantum technologies and make informed strategic decisions.

Quantum Trilogy

Quantum Trilogy is a quantum random number generation company developing entropy sources for cryptographic applications. The company focuses on creating high-quality random number generators based on quantum processes to address cybersecurity needs. Quantum Trilogy’s QRNG technology serves markets requiring provably random numbers for cryptographic key generation, secure communications, and protection against sophisticated cyber attacks.

Company Information

• Founded: 2019
• Country: United States
• Website: N/A
• Categories: quantum security, QRNG

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Quantum Xchange

Quantum Xchange is a US cybersecurity company specializing in quantum key distribution and post-quantum cryptography to protect data against quantum and classical threats. The company operates quantum-safe key distribution networks and provides integrated security solutions combining QKD with post-quantum cryptographic algorithms. Quantum Xchange serves financial services, healthcare, and government sectors with quantum-safe security infrastructure, helping organizations prepare for the quantum computing threat to current encryption systems.

Company Information

• Founded: 2018
• Country: United States
• Website: https://quantumxc.com
• Categories: QKD, post quantum-cryptography

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QuantumBio

QuantumBio is a software and services company providing computational chemistry and structural biology solutions for pharmaceutical, biotech, and academic drug discovery. The company leverages quantum mechanical approaches with proprietary XModeScore technology for X-ray and cryo-EM structure refinement, high-throughput computer-aided drug design, and precision molecular modeling to enhance understanding of biochemical structure and function. QuantumBio serves the life sciences research community with quantum physics-based computational chemistry tools.

Company Information

• Founded: 2002
• Country: United States
• Website: https://www.quantumbioinc.com
• Categories: quantum software, quantum pharma

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Qubitekk

Qubitekk specializes in quantum networking hardware including quantum key distribution systems, quantum random number generators, and quantum communication components that enable secure quantum networks and quantum internet infrastructure for government, defense, and commercial applications requiring ultra-secure communications.

Company Information

• Founded: 2012
• Country: United States
• Website: https://qubitekk.com
• Categories: hardware

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Qubits Ventures

Qubits Ventures is a venture capital firm founded in 2021 and based in Pasadena, California, investing in early-stage startups reshaping how the world computes, learns, and connects across quantum systems, AI-native platforms, and advanced infrastructure. The firm’s core thesis centers on co-evolution of quantum technologies, next-generation AI, and modern infrastructure. Qubits Ventures invests globally at earliest stages of company formation where bold technical talent is rethinking how intelligence is generated, how compute is executed, and how infrastructure is deployed. As of April 2025, Qubits Ventures is an active investor having invested in 11 companies with 2 new investments in last 12 months. Notable portfolio investments include Aliro Technologies and Lumai. Managing Partner Nardo Manaloto brings over two decades of expertise in applied artificial intelligence, emerging technologies, and ecosystem development. Qubits Ventures serves quantum computing, AI, and infrastructure startups at pre-seed and seed stages.

QuEra Computing

In April 2024, QuEra Computing added local qubit control to its 256-qubit quantum computer Aquila, allowing for more flexibility in programming qubits independently and broadening the range of problems the computer can solve. In May 2024, QuEra Computing expanded its Boston headquarters to meet growing demand for quantum computers in the US, Europe, and Asia, having recently signed deals with the UK’s National Quantum Computing Centre and Japan’s National Institute of Advanced Industrial Science and Technology. QuEra announced a strategic roadmap for error-corrected quantum computers, aiming to reach 100 logical error-corrected qubits by 2026, with a quantum computer featuring ten logical qubits in 2024, an enhanced model with 30 logical error-corrected qubits in 2025, and a third-generation model with 100 logical qubits in 2026. QuEra’s Aquila remains the first and only publicly accessible neutral atom quantum computer, available through Amazon Braket, using programmable arrays of neutral Rubidium atoms trapped in vacuum by tightly focused laser beams.

QuinStar Technology

QuinStar Technology manufactures cryogenic isolators, circulators, arrays, and amplifiers for millikelvin-range quantum computing applications with high-performance broadband components. The California company provides microwave components. QuinStar’s cryogenic RF components enable signal routing, amplification, and isolation in quantum computing systems operating at ultra-low temperatures.

Company Information

• Founded: 1993
• Country: United States
• Website: https://quinstar.com
• Categories: quantum components, rf components

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Qunnect

Qunnect is a US quantum networking hardware company founded in 2017 that develops quantum network infrastructure components and systems for quantum internet applications, creating hardware solutions that enable quantum communication networks, quantum key distribution systems, and quantum information transmission over various network topologies, providing essential networking hardware components including quantum repeaters, quantum switches, and quantum network interfaces that enable the construction and operation of large-scale quantum communication networks for secure communications, distributed quantum computing, and quantum sensing applications requiring reliable quantum information transfer. In October 2025, Qunnect received an 18-month contract from the U.S. Air Force Research Laboratory (AFRL) to refine its Carina technology suite quantum networking capabilities for defense applications, enabling scalable quantum networks that support secure communication, distributed computing, and precision sensing without requiring specialized or cryogenic equipment, building on the company’s demonstrations of operational quantum networks deployed in New York, Berlin, and Montana on commercial fiber infrastructure.

Qunova Computing

Qunova Computing is an emerging quantum computing company focused on drug discovery applications using quantum simulation techniques. The company develops quantum algorithms and software for pharmaceutical research, targeting molecular simulation and drug design challenges. While maintaining a relatively low public profile, Qunova represents the growing ecosystem of specialized quantum software companies focused on high-value applications in life sciences and drug development.

Company Information

• Founded: 2020
• Country: United States
• Website: N/A
• Categories: quantum software, drug discovery

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QuSecure

QuSecure is a US post-quantum cybersecurity company founded in 2019 that developed the industry’s first end-to-end post-quantum cybersecurity platform QuProtect, providing crypto-agility orchestration that protects against classical, AI, and quantum computing threats without requiring quantum hardware, selected by the US Army for enhanced post-quantum cryptography suite research and recognized with Frost & Sullivan’s 2024 Global Product Leadership Award, serving banking, healthcare, space/satellite, defense, and IT enterprises with their breakthrough QuEverywhere solution that enables quantum-safe encryption for websites and mobile applications without end-user installation requirements.

QuSpin

QuSpin develops optically pumped magnetometers (OPM) for biomedical and geophysical applications, offering the first non-cryogenic replacement for superconducting magnetometers. Founded by Dr. Vishal Shah (PhD in atomic physics from University of Colorado Boulder), the company was established with NIH research funding. QuSpin’s wearable OPM systems enable magnetoencephalography (MEG) for detecting neural activity without requiring cryogenic cooling. Their technology brings quantum sensing to practical field applications in brain imaging and resource exploration. QuSpin has established itself as a leader in compact, room-temperature quantum sensors with deployment across medical and scientific research facilities.

Rambus

Rambus is a semiconductor and intellectual property company headquartered in Sunnyvale, California, founded in 1990 by Mark Horowitz, Mike Farmwald, and Geoffrey Tate. Rambus offers Quantum Safe IP solutions that secure data and hardware against quantum computer attacks using NIST and CNSA selected algorithms. The CryptoManager RT-6xx Root of Trust cores support FIPS 203 ML-KEM, FIPS 204 ML-DSA, and FIPS 205 SLH-DSA standards. The Rambus Quantum Safe Crypto Library offers cryptographic algorithms for the Post Quantum Cryptography (PQC) era with focus on performance and reliability. Rambus Root of Trust IP implements quantum-resistant CRYSTALS-Kyber for key-encapsulation and CRYSTALS-Dilithium for digital signatures. The company delivers quantum-safe IP solutions with next-generation Root of Trust for data center security, protecting infrastructure against quantum computing threats. Rambus serves semiconductor manufacturers, data center operators, cloud providers, and IoT device manufacturers requiring quantum-resistant cryptographic hardware implementations.

Raytheon

Raytheon Technologies develops quantum radar systems and quantum defense applications for military and security applications, leveraging quantum sensing and quantum information technologies to create advanced radar systems with enhanced detection capabilities, quantum-secured communications, and quantum sensing solutions that provide strategic advantages for defense and intelligence operations, working with government agencies and defense contractors to integrate quantum technologies into next-generation defense systems and national security infrastructure.

Company Information

• Founded: 2019
• Country: United States
• Website: https://raytheon.com
• Categories: quantum defense

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Redwire Corporation

Redwire Corporation is a space infrastructure company headquartered in Jacksonville, Florida, founded in 2020, specializing in space systems and components. In September 2025, Redwire signed a Memorandum of Understanding with Honeywell to advance the QKDSat project, combining Redwire’s quantum platform technology with Honeywell’s quantum optical payload to create fully functional quantum-secured satellite communications systems by mid-2026. The QKDSat consortium, led by Honeywell and including Redwire, aims to develop ultra-secure telecommunications satellites using quantum key distribution for government, defense, and commercial applications. The project is backed by the European Space Agency and aims to protect critical infrastructure from cyber threats using quantum encryption. Redwire brings deep space hardware expertise and satellite bus platform development to enable quantum-safe communications from orbit for government agencies, defense contractors, telecommunications operators, and critical infrastructure sectors.

Rigetti Computing

In 2024-2025, Rigetti Computing completed a $350 million at-the-market equity offering during Q2 2025, bolstering the company’s cash position to approximately $575 million with no debt. In December 2024, Rigetti launched its 84-qubit Ankaa-3 quantum processor, achieving record-high fidelity with a 99.0% median iSWAP gate fidelity and 99.5% median fSim gate fidelity. In 2025, Rigetti unveiled Cepheus-1-36Q, a 36-qubit multi-chip quantum computer now generally available, demonstrating a two-fold reduction in two-qubit gate error rate compared to the preceding Ankaa-3 system, achieving a median two-qubit gate fidelity of 99%. The company anticipates releasing a 100+ qubit system, also chiplet-based, with a target median two-qubit gate fidelity of 99.5% before the end of 2025. In collaboration with Riverlane and the National Quantum Computing Centre (NQCC), Rigetti won £3.5 million from Innovate UK to enhance quantum error correction capabilities on superconducting quantum computers.

SandboxAQ

SandboxAQ is an Alphabet spin-out focused on security, measurement, and AI use cases, raising $300 million at a $5.6 billion valuation in late 2024 for quantum-safe security solutions. The company develops post-quantum cryptography solutions, quantum sensing technologies, and AI-enhanced security systems. SandboxAQ addresses the urgent need for organizations to transition to quantum-safe cryptography before quantum computers break current encryption, while also developing quantum sensor technologies for navigation and other applications.

SandboxAQ Navigation

SandboxAQ developed AQNav Technology for GPS-jamming resilient navigation using AI and quantum sensors, partnering with Boeing, Airbus/Acubed, and allied governments. The Alphabet spin-out provides quantum-enhanced navigation. SandboxAQ’s AQNav combines quantum magnetometers with AI to enable navigation in GPS-denied or GPS-jammed environments, addressing critical defense and commercial aviation needs for resilient positioning systems.

Company Information

• Founded: 2022
• Country: United States
• Website: https://sandboxaq.com
• Categories: quantum sensing, navigation, quantum security

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Sandia National Laboratories

In August 2024, scientists at Sandia National Laboratories, collaborating with Arizona State University, received $17 million in funding from Sandia’s Laboratory Directed Research program to develop compact integrated microsystems that carry quantum information using light, scaling down large-scale optical systems to chip size for applications in advanced computing and secure communications. Researchers are fabricating small photonic integrated circuits (PICs) at Sandia’s MESA complex to achieve the same capabilities as large optical tables. Sandia is participating in the Quantum Collaborative and serves as a core partner of the Southwest Advanced Prototyping Hub (SWAP Hub), led by Arizona State University, aiming to jumpstart American competitiveness in the semiconductor industry. In January 2024, the University of New Mexico and Sandia National Laboratories partnered to establish the Quantum New Mexico Institute (QNM-I), aiming to make New Mexico a national hub for quantum science and attract global talent and quantum companies.

SavantX

SavantX is a logistics optimization company partnering with D-Wave to optimize cargo handling at Port of Los Angeles Pier 300 using quantum annealing. The company applies quantum computing to solve complex scheduling and resource allocation problems in maritime logistics. SavantX’s deployment at one of North America’s busiest ports demonstrates quantum computing’s potential to improve operational efficiency in logistics and supply chain management, delivering measurable business value through quantum optimization algorithms.

SEEQC

SEEQC is developing a digital quantum computing platform that combines classical and quantum technologies with its own chip foundry capabilities to address efficiency, stability, and cost challenges in quantum computing. The company’s unique approach integrates single flux quantum (SFQ) digital logic with superconducting qubits on the same chip, enabling co-located classical control electronics at cryogenic temperatures. SEEQC’s commercial quantum chip foundry in New York provides the infrastructure to manufacture these hybrid classical-quantum integrated circuits at scale.

Sequoia Capital

Sequoia Capital is an American venture capital firm founded 1972 in Menlo Park California. In 2018 Sequoia Capital China participated in Q-CTRL Seed round as DCVC led investment. Sequoia has coinvested with other major VCs such as Andreessen Horowitz and Y Combinator on quantum opportunities. The firm invests in quantum computing startups across hardware software and applications. Sequoia Capital serves quantum technology entrepreneurs requiring venture capital funding for quantum computing companies quantum software development and quantum technology commercialization. The firm provides strategic guidance and network access to quantum startups advancing quantum technology ecosystem and quantum computing industry development supporting quantum innovation and quantum technology commercialization worldwide.

SHI Cryogenics

SHI Cryogenics Group is a leading worldwide provider of innovative cryogenic and vacuum solutions, operating as an integral part of the Precision Equipment Division of Sumitomo Heavy Industries, Ltd. The company was formed through SHI’s acquisition of IGC-APD Cryogenics, Inc. in 2002, bringing together two of the world’s leading cryogenic companies. Headquartered in Allentown, Pennsylvania with manufacturing facilities in Tanashi, Japan; Allentown, Pennsylvania; and Batangas, Philippines, SHI Cryogenics serves the medical, semiconductor, flat panel, general coating, and research industries. The company’s cryogenic equipment provides ultra-low temperature solutions critical for quantum computing systems, quantum sensors, and quantum research applications. SHI Cryogenics has collaborated with organizations like Quantum Design to advance quantum technologies, supplying cryogenic systems essential for maintaining the extremely cold operating environments required by superconducting qubits and other quantum devices. With decades of cryogenic engineering expertise, SHI Cryogenics is a key infrastructure provider to the quantum technology industry.

SignQuantum

SignQuantum develops quantum-resistant digital signature technologies for enterprises and government agencies. In 2025, the company entered an exclusive distribution agreement with ITTI for quantum-resistant digital signatures across Latin America. SignQuantum provides post-quantum cryptography solutions that protect digital signatures and authentication systems from quantum computing threats.

Company Information

• Founded: 2023
• Country: United States
• Website: https://signquantum.com
• Categories: quantum security, quantum cryptography

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Singular Photonics

Singular Photonics is a manufacturer of photonic detectors for quantum computing developing on-chip photon number resolving detectors for fault tolerance in quantum computing applications. The company is backed by Qubits Ventures and specializes in creating advanced detection systems that enable more reliable photonic quantum computers. Their technology addresses critical scalability challenges in photonic quantum systems.

Company Information

• Founded: 2023
• Country: United States
• Website: https://singularphotonics.com
• Categories: quantum photonics, hardware

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SiQure

SiQure focuses on silicon-based quantum computing technologies that leverage semiconductor manufacturing processes and silicon spin qubits to create quantum processors with potential advantages in manufacturability, integration with classical electronics, and scalability for building large-scale fault-tolerant quantum computers using familiar silicon fabrication infrastructure.

Company Information

• Founded: 2022
• Country: United States
• Website: https://siqure.com
• Categories: hardware

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Stable Laser Systems

Stable Laser Systems is a JILA/NIST spin-out manufacturing ultra-stable laser systems for quantum computing, atomic clocks, and precision measurements. The Boulder company specializes in laser frequency stabilization. Stable Laser Systems provides ultra-narrow-linewidth laser systems with exceptional frequency stability for atomic physics experiments, trapped ion quantum computers, and quantum sensing applications.

Company Information

• Founded: 2006
• Country: United States
• Website: https://stablelasers.com
• Categories: quantum components, lasers

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Stanford University

Stanford University is a private research university founded October 1 1891 located in Stanford California leading in quantum research through Q-FARM uniting experts from Stanford and SLAC National Accelerator Laboratory to advance quantum information science. Stanford promotes interdisciplinary collaboration integrating efforts from physics engineering and computer science departments. Stanford research advances quantum algorithms quantum cryptography quantum control quantum error correction and quantum hardware development essential for practical quantum computers. The university conducts quantum research spanning quantum optics superconducting qubits trapped ions quantum materials and quantum sensing. Stanford has produced numerous quantum computing spinouts and maintains partnerships with leading quantum companies serving quantum research community government agencies and industry partners.

STAR Cryoelectronics

STAR Cryoelectronics manufactures SQUID sensors, readout electronics, cryogenic systems, cryogenic wires, LEMO connectors, and flexible cryo-cables for quantum applications. The Santa Fe company provides superconducting sensors and cryogenic wiring. STAR Cryoelectronics serves quantum computing and quantum sensing applications with SQUID-based measurement systems and specialized cryogenic cables and interconnects.

Company Information

• Founded: 1995
• Country: United States
• Website: https://starcryo.com
• Categories: quantum components, sensors

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Strangeworks

Strangeworks is an unconventional computing software company making quantum computing accessible, founded by whurley (William Hurley). The Austin company provides quantum software development tools. Strangeworks offers a cloud platform aggregating access to multiple quantum computing backends, development tools, and educational resources, democratizing quantum computing for developers and researchers worldwide.

Company Information

• Founded: 2018
• Country: United States
• Website: https://strangeworks.com
• Categories: quantum software, quantum platform

Investment Information

• Status: private
• Total Raised: $24M
• Last Valuation: $150M

Recent Funding Rounds

• 2021-07-20: series-a - $20M - Series A funding round
• 2019-05-28: seed - $4M - Seed funding round

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SuperPower

SuperPower Inc., a subsidiary of Furukawa Electric Co. Ltd., is a leading manufacturer of high-temperature superconducting (HTS) wire and tape based in Glenville, New York, founded in 2000. The company produces second-generation HTS wire using Yttrium Barium Copper Oxide (YBCO) technology for quantum computing and power applications. SuperPower manufactures superconducting materials essential for quantum computing infrastructure including superconducting qubits, quantum interconnects, and cryogenic systems operating at ultra-low temperatures. The company developed cost-effective mass production methods for HTS tapes with production capacities approaching 100 thousand kilometers per year. SuperPower serves quantum computing manufacturers, research institutions, and cryogenic equipment providers requiring high-performance superconducting wire for quantum processors, quantum communication systems, and quantum sensing applications demanding superior superconducting characteristics.

Superstaq

Superstaq is Infleqtion’s flagship quantum software platform that optimizes quantum program execution by tailoring to underlying hardware primitives, using proprietary cross-layer optimization techniques to deliver up to 10× performance improvements on real devices. The platform employs sophisticated compilation and noise mitigation techniques including dynamical decoupling, parametric gates, swap mirroring, phased microwave decompositions, approximate synthesis, and qutrits. Superstaq is hardware-agnostic, supporting superconducting qubits (AQT, IBM Quantum, Rigetti), trapped ions (QSCOUT), and neutral atoms (Infleqtion), with compatibility for Qiskit, Cirq, and OpenQASM. Infleqtion received a $1.15M Department of Energy SBIR Phase IIB grant to advance Superstaq—the first DOE SBIR Phase IIB award for quantum computing software. For benchmarks like Bernstein-Vazirani and Qubit Coupled Cluster chemistry methods, Superstaq improves execution performance by at least 10x compared to state-of-the-art compilers.

SV Microwave

SV Microwave is a world leader in RF/microwave industry headquartered in West Palm Beach, Florida, boasting over 50 years proven performance since founding in 1960. The company is a division of Amphenol Corporation (acquired May 1, 2005), designing and building RF interconnects used at room temperature and cryogenic temperatures for quantum computing applications. SV Microwave’s non-magnetic components play key role in quantum computers, delivering high-performance reliable solutions for quantum computing, medical, and aerospace applications. Inside cryo-chambers, SV Microwave connectors and cables perform in extreme cold temperatures as low as zero degrees Kelvin with hermeticity between chandelier stages. The company provides non-magnetic RF connectors and interconnects essential for quantum processor operations, serving quantum computing manufacturers, research laboratories, and cryogenic equipment providers requiring specialized RF connectivity for quantum computers operating at ultra-low temperatures.

SV Microwave Quantum Products

SV Microwave manufactures RF connectors and cable assemblies for quantum computing cryogenic environments. The Florida company provides RF interconnect solutions. SV Microwave’s phase-stable, low-loss RF cables and connectors serve quantum computing applications requiring reliable signal transmission at cryogenic temperatures with minimal phase drift and signal degradation.

Company Information

• Founded: 1979
• Country: United States
• Website: https://svmicrowave.com
• Categories: quantum components, rf interconnects

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Symmetricom

Symmetricom, Inc. was an American company specialized in high precision timekeeping technology, acquired by Microsemi in 2013 for $230 million, which subsequently became part of Microchip Technologies Inc. Symmetricom developed products including hydrogen masers, rubidium and cesium atomic standards, temperature and oven controlled crystal oscillators, miniature and chip scale atomic clocks, network time servers, network sync management systems, cable timekeeping solutions, telecom synchronization supply units (SSUs), and timing test sets. The company launched the first commercial Chip Scale Atomic Clock (CSAC) model SA.45s in 2011, with over 100,000 units sold. The CSAC provides wide operating temperatures, fast warm-up/atomic-lock, and superior frequency stability in extreme environments. Symmetricom’s innovations supported quantum computing applications requiring ultra-precise timing synchronization. Now operated under Microchip Technology, the timing solutions serve aerospace, defense, communications, and quantum computing industries.

T-Mobile

T-Mobile US Inc. is an American wireless network operator founded in 1994 (current form after Sprint merger 2020), headquartered in Bellevue, Washington. T-Mobile explores quantum-safe security for mobile networks investing in post-quantum cryptography to protect telecommunications infrastructure. The company investigates quantum technologies for network optimization and quantum-resistant encryption for 5G networks. T-Mobile collaborates with cybersecurity providers advancing quantum-safe security implementations for mobile communications. The company serves US mobile telecommunications markets providing wireless services to consumers and enterprises. T-Mobile contributes to quantum-safe telecommunications development preparing mobile network infrastructure for post-quantum security transitions protecting wireless communications against future quantum computing threats to current encryption standards advancing quantum-safe mobile security for telecommunications industry.

Tau Systems

Tau Systems develops quantum computing software and algorithms for enterprise applications. The company is part of Quantonation’s portfolio and focuses on creating practical quantum solutions for industries including finance, logistics, and optimization. Tau Systems bridges the gap between quantum hardware capabilities and real-world business problems through its software platform.

Company Information

• Founded: 2023
• Country: United States
• Website: https://tausystems.ai
• Categories: quantum software

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Techstars

Techstars is a global startup accelerator founded in 2006 in Boulder Colorado providing mentorship-driven accelerator programs for technology startups worldwide. Techstars has accelerated several quantum computing startups through various programs including quantum software companies quantum hardware startups and quantum applications developers. The accelerator provides funding mentorship network access and business development support to quantum technology entrepreneurs. Techstars maintains network of mentors investors and corporate partners supporting quantum startup growth and commercialization. Techstars has accelerated over 3,800 companies worldwide with combined market capitalization exceeding $100 billion. The accelerator serves quantum technology entrepreneurs requiring acceleration support strategic guidance and investor access for quantum computing companies quantum software development and quantum technology commercialization advancing global quantum technology ecosystem.

Tektronix

Tektronix is a leading test and measurement equipment manufacturer founded in 1946, providing advanced measurement solutions for quantum metrology applications through products like the MSO Series 4 oscilloscopes. The 4 Series B MSO is a class-leading mixed signal oscilloscope featuring analog bandwidth up to 1.5 GHz with 4 or 6 analog channels, sample rate of 6.25 GS/s, record length from 31.25M to 62.5M, and 13.3 inch full HD (1920 x 1080) capacitive touchscreen. The FlexChannel technology provides flexibility with inputs that measure one analog or eight digital signals per channel for mixed signal analysis. Tektronix oscilloscopes are ideal for debugging and validating embedded systems, power converters, and quantum computing control electronics requiring ultra-precise timing measurement capabilities. Based in Beaverton, Oregon, Tektronix serves quantum computing manufacturers needing high-performance test equipment for development and production of quantum processors and control systems.

TensorFlow Quantum

TensorFlow Quantum (TFQ) is an open-source library created by Google Quantum AI that combines quantum computing with the popular TensorFlow machine learning framework. TFQ provides tools for rapid prototyping of hybrid quantum-classical ML models enabling integration of quantum algorithms with classical neural networks. The library supports quantum data processing, quantum circuit construction, and gradient-based optimization of quantum models. TFQ enables researchers to leverage TensorFlow’s extensive machine learning ecosystem for quantum computing applications. The platform facilitates quantum machine learning research including variational quantum algorithms, quantum neural networks, and quantum data encoding. TFQ works with Google’s Cirq quantum programming framework and supports simulation and execution on quantum hardware. Widely used in academic research and quantum machine learning development. Regular updates and active community support through Google’s quantum computing initiatives.

Texas Instruments

Texas Instruments Incorporated is an American technology company founded in 1930, headquartered in Dallas, Texas, designing and manufacturing semiconductors and integrated circuits. TI provides analog and embedded processing chips, signal processing components, and control systems used in quantum computing control electronics and quantum measurement systems. The company semiconductor components enable qubit control, quantum signal processing, and quantum system integration. TI serves quantum computing companies and quantum research institutions requiring precision analog electronics, digital control systems, and signal processing components for quantum processor control and quantum measurement infrastructure. The company contributes to quantum technology supply chain providing essential semiconductor components for quantum computing systems advancing quantum hardware development and quantum control electronics.

Texas Quantum Institute

Texas Quantum Institute is a UT Austin institute with over 30 researchers providing fellowships, seed grants, workshops, and advanced quantum/semiconductor measurement laboratory facilities. The research institute coordinates quantum science across UT Austin. Texas Quantum Institute supports quantum technology research, trains quantum scientists and engineers, and facilitates collaboration between university researchers and industry to advance quantum technologies.

Company Information

• Founded: 2024
• Country: United States
• Website: N/A
• Categories: quantum research

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The Phoenix Company

The Phoenix Company of Chicago specializes in custom low-temperature microwave cable assembly solutions with patented non-magnetic PkZ connection technology for cryogenic-based quantum computing applications. Founded in 1969, the company manufactures RF/microwave connector and cable assembly products serving quantum computing and cold temperature markets. The PkZ quick-connect system replaces existing RF connectors and cables with higher density connections from external microwave cables through hermetic headers into each level of dilution refrigerators or cryostats down to quantum processors. PkZ housings fit existing dilution refrigerators with up to 64 RF lines per port, simplifying mating of all 64 lines with one plug-in operation. The blindmate constant impedance PkZ contact features optional embedded attenuation for mass-interconnection, replacing thread-on SMA connectors and attenuators. Phoenix Company’s low-temperature PkZ contacts and cable assemblies serve quantum computing, ultra-low temperature physics, cryogenic MRI, and general low-temperature research.

Thermal Space

Thermal Space is a Boulder, Colorado-based company founded in 2015 that designs and manufactures refrigerant and cryogenic cold plates used by NASA, the US military, government, and academic laboratories. The company provides critical cryogenic cooling solutions for quantum computing applications, which require temperatures reaching sub-10 millikelvin levels—colder than outer space’s 2.7 K. Thermal Space’s cryogenic cold plate technology supports the ultra-low temperature environments necessary for superconducting quantum circuits and qubits, which are basic processing units of quantum computers. The company’s products have been deployed in NASA quantum research programs, including work related to Bose-Einstein condensates and cold atom laboratories. Thermal Space operates within the broader ecosystem of companies providing essential cryogenic cooling infrastructure enabling practical quantum computing systems and advanced physics research requiring extreme temperature control.

Thorlabs

Thorlabs Inc. is an American privately held optical equipment company founded in 1989 by Alex Cable in spare bedroom in Freehold, New Jersey, relocating headquarters to Newton, New Jersey, named after founder’s black Labrador retriever Thor. The company designs and manufactures components, instruments, and systems for photonics industry providing portfolio of over 22,000 stocked items with custom solutions enabled by vertical integration. Thorlabs operates with approximately 2,500 employees at manufacturing and sales offices in United States, Canada, United Kingdom, Germany, France, Sweden, Japan, China, and Brazil achieving annual sales of approximately $500 million as of 2018. In 2014, Thorlabs acquired Corning Inc.’s quantum cascade lasers line expanding quantum capabilities. Thorlabs offers quantum technologies including correlated photon-pair sources using spontaneous parametric down-conversion (SPDC), single-photon detectors, and quantum optics educational kits for research and education purposes in quantum computing laboratories globally.

Thorlabs Quantum Products

Thorlabs manufactures correlated photon-pair sources using SPDC at 810nm and Class 1 laser sources with integrated 405nm pump laser for quantum optics. The Newton company provides photonics equipment. Thorlabs serves the quantum optics research community with entangled photon sources, single photon detectors, and complete optical systems for quantum communications and quantum computing experiments.

Company Information

• Founded: 1989
• Country: United States
• Website: https://thorlabs.com
• Categories: quantum components, photonics

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Times Microwave Systems

Times Microwave Systems was founded in 1948 as Times Wire and Cable Company in New York City near Times Square, relocating to Wallingford, Connecticut in early 1950s, with over 70 years industry experience designing and manufacturing high-performance coaxial cables, connectors, and assemblies. The company joined Amphenol Corporation in 2009, providing specialized RF cable solutions for rapidly-growing quantum computing sector. Times Microwave manufactures temperature-specific cables including NbTi construction superconducting cables interfacing directly with quantum processors (4K down to 4mK), and CuNi-based semi-rigid construction cables (room temp to ~4K). Product lines include M8 multiport interconnect solutions, TMQ4 and TMQ5 bundled coaxial cables, MaxGain ultra-low loss cables, StripFlex assemblies, and PhaseTrack cable assemblies. Times Microwave serves quantum computing manufacturers requiring non-magnetic cables operating in extreme cold temperatures down to -460 degrees Fahrenheit for quantum processor stability.

Twinleaf

Twinleaf develops precision magnetic field sensors and magnetometers using SERF (Spin Exchange Relaxation Free) technology. Founded by Dr. Thomas W. Kornack, who pioneered SERF magnetometer development during his work at Princeton University, the company produces highly sensitive quantum sensors for biomedical applications including live magnetocardiography. Their sensors enable portable, non-cryogenic alternatives to traditional SQUID magnetometers. Twinleaf’s products serve research institutions and medical applications requiring ultra-sensitive magnetic field detection. The company maintains strong research collaborations with Princeton University and offers both magnetometers and magnetic shielding solutions.

UbiQD

UbiQD is a global leader in quantum dot manufacturing and technology, headquartered in Los Alamos, New Mexico, founded in 2014 by Hunter McDaniel. The company licenses technology developed at Los Alamos National Laboratory and MIT, producing quantum dots through an alternative, inexpensive process using low-cost and nontoxic elements. UbiQD powers product innovation in agriculture, clean energy, and security. The company’s UbiGro® greenhouse technology uses fluorescence to create optimal spectrum for crops. In April 2025, UbiQD closed a $20 million Series B financing round led by Phoenix Venture Partners. UbiQD established an exclusive, multi-year agreement to supply proprietary fluorescent quantum dot technology to First Solar for incorporation into thin film bifacial photovoltaic solar panels, advancing quantum dot applications in renewable energy.

UC Berkeley

University of California Berkeley is a public research university founded in 1868, located in Berkeley, California. UC Berkeley conducts world-leading quantum research through Berkeley Quantum Information and Computation Center and physics department advancing quantum computing quantum materials and quantum technologies. The university researchers contribute to quantum algorithms quantum hardware quantum error correction and quantum applications. UC Berkeley has produced numerous quantum technology spinouts and Nobel laureates in quantum physics. The university serves quantum research community through fundamental quantum research quantum education and technology transfer advancing quantum information science supporting USA quantum technology leadership and quantum innovation.

UC Santa Barbara

University of California Santa Barbara is a public research university founded in 1909, located in Santa Barbara, California. UCSB hosts Kavli Institute for Theoretical Physics conducting leading quantum physics research. The university excels in quantum materials superconducting qubits and quantum computing hardware. UCSB researchers have contributed major breakthroughs in superconducting quantum computing advancing practical quantum processors. The university has produced quantum technology spinouts and Nobel Prize winners. UCSB serves quantum research community through quantum research quantum education and technology transfer advancing quantum information science and quantum hardware development supporting USA quantum technology leadership.

University of Chicago

University of Chicago is a private research university founded in 1890, located in Chicago, Illinois. The university conducts leading quantum research through Chicago Quantum Exchange, collaboration bringing together researchers from UChicago, Argonne National Laboratory, Fermilab and partner institutions advancing quantum information science. University of Chicago advances quantum computing quantum networks quantum sensing and quantum materials research. The university hosts Pritzker School of Molecular Engineering quantum engineering programs. UChicago serves quantum research community through fundamental quantum research quantum education and technology transfer advancing quantum information science and quantum technology commercialization supporting USA quantum leadership. The university has produced numerous breakthroughs in quantum science and maintains strong quantum industry partnerships positioning Chicago as quantum technology hub.

University of Maryland

University of Maryland is a public research university founded in 1856, located in College Park, Maryland. UMD hosts Joint Quantum Institute (JQI) and Joint Center for Quantum Information and Computer Science (QuICS) conducting world-class quantum research. The university advances ion trap quantum computing quantum algorithms quantum networks and quantum technologies. UMD has produced quantum technology spinouts including IonQ. The university serves quantum research community through fundamental quantum research quantum education and technology transfer. UMD contributes to USA quantum technology leadership through breakthrough quantum research and quantum technology commercialization positioning Maryland as quantum technology hub.

UW Quantum X

UW Quantum X is a University of Washington initiative joining quantum sensing, computing, communication, and materials research across departments. The interdisciplinary program coordinates quantum research. UW Quantum X brings together faculty from physics, engineering, chemistry, and computer science to advance quantum technologies while training the next generation of quantum scientists and engineers.

Company Information

• Founded: 2019
• Country: United States
• Website: N/A
• Categories: quantum research

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Vector Atomic

Vector Atomic is a US quantum sensing company founded in 2018 that develops quantum inertial navigation systems using cold atom interferometry for GPS-free navigation applications, creating compact atomic gyroscopes, accelerometers, and magnetometers that provide precision navigation capabilities for defense, aerospace, and commercial applications where GPS signals are unavailable or compromised, leveraging laser-cooled atoms to achieve navigation-grade performance in portable quantum sensors that enable autonomous vehicle navigation, underwater navigation, and space exploration missions requiring ultra-precise inertial measurements without external reference signals. On October 7, 2025, Vector Atomic was acquired by IonQ in an all-stock transaction, expanding IonQ’s capabilities from quantum computing into quantum sensing, timing, and navigation markets. As part of IonQ, Vector Atomic’s 75+ team members and technology portfolio including precision atomic clocks, inertial sensors, and over $200 million in government contracts now support IonQ’s quantum technology ecosystem.

Verizon

Verizon Communications Inc. is an American multinational telecommunications conglomerate founded in 1983, headquartered in New York City, taking multifaceted approach to quantum technologies focusing on quantum-safe security, quantum networking, and quantum-enhanced AI. Verizon performed quantum-based security trial in Washington DC in 2020 claiming to be one of first US carriers to pilot use of quantum key distribution. The company explores quantum networking for secure communications and quantum-enhanced AI for network optimization. Verizon invests in post-quantum cryptography preparing telecommunications infrastructure for quantum threats. Verizon serves telecommunications, enterprise, government, and defense sectors requiring quantum-safe communications and quantum network infrastructure collaborating with quantum technology providers advancing quantum communications and quantum networking for 5G and future telecommunications networks.

Vescent

Vescent develops precision photonics and laser systems for quantum computing, quantum sensing, and quantum communication applications, providing laser stabilization, optical frequency combs, and precision measurement instruments that enable the optical control and manipulation of quantum systems across various quantum technology platforms.

Company Information

• Founded: 2002
• Country: United States
• Website: https://vescent.com
• Categories: hardware

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Vescent Photonics

Vescent Photonics is a JILA/NIST spin-out providing laser systems and photonics solutions for quantum computing and atomic physics. The Denver company manufactures precision laser systems. Vescent’s laser frequency stabilization systems, laser diode controllers, and optical components serve quantum research laboratories and quantum computing companies requiring ultra-stable narrow-linewidth lasers for quantum applications.

Company Information

• Founded: 2002
• Country: United States
• Website: https://vescent.com
• Categories: quantum components, lasers

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Walking on Earth

Walking on Earth is a quantum software company in the Qubits Ventures portfolio focusing on practical quantum applications. The company develops software tools and platforms that make quantum computing more accessible to businesses and researchers. Walking on Earth works on bridging the gap between quantum hardware capabilities and real-world application needs.

Company Information

• Founded: 2023
• Country: United States
• Website: https://walkingonearth.com
• Categories: quantum software

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Wells Fargo

Wells Fargo & Company is an American multinational financial services company founded in 1852, headquartered in San Francisco, California. Wells Fargo explores quantum computing for banking applications including fraud detection, risk modeling, portfolio optimization, and financial forecasting. The company investigates quantum algorithms for credit risk assessment, customer analytics, and operational optimization. Wells Fargo collaborates with quantum computing providers and fintech companies exploring quantum advantage for banking operations. The company serves retail banking, commercial banking, and investment banking markets requiring quantum-enhanced computational capabilities for financial services. Wells Fargo advances quantum computing research in banking industry preparing for quantum technology adoption in financial sector and exploring practical quantum applications for banking operations and financial risk management advancing quantum technology integration in financial services industry.

Xairos Systems

Xairos Systems Inc. is a Lone Tree, Colorado-based space telecommunications company founded in 2019 by David Mitlyng and Dr. James Troupe, disrupting Position, Navigation, and Timing (PNT) through patented Quantum Clock Synchronization (QCS) technology. The company leverages quantum communications and atomic clock technology to provide high-precision, high-security time distribution on a global scale for space applications. Xairos’ QCS protocol enables satellite accuracy and reliability improvements critical for defense and commercial space operations. The company was selected into the Techstars Space Accelerator in 2021 and has secured contracts with the US Department of Defense to advance quantum timing technology for military applications. Xairos addresses the critical need for GPS-independent timing and synchronization systems resilient to jamming and spoofing, serving aerospace, defense, and telecommunications sectors requiring ultra-precise time distribution across satellite constellations and ground infrastructure.

Y Combinator

Y Combinator is an American technology startup accelerator founded March 2005 in Mountain View California. Y Combinator was among investors in Rigetti Computing 2014 Seed round which raised $2.5M in funding along with Tim Draper Pegasus Tech Ventures and Felicis Ventures. Y Combinator provides seed funding mentorship and resources to quantum computing startups through three-month accelerator program. The accelerator serves quantum technology entrepreneurs requiring early-stage funding mentorship and network access for quantum computing companies quantum software development and quantum technology commercialization. Y Combinator has accelerated numerous technology startups advancing quantum technology ecosystem and quantum computing industry development supporting quantum innovation and startup growth worldwide.

Yale University

Yale University is a private Ivy League research university founded 1701 in New Haven Connecticut. Yale University has established itself as leader in quantum research fostering collaboration across physics engineering and computer science with Yale Quantum Institute serving as central hub bringing together researchers to explore quantum information processing quantum materials and quantum sensing. Yale conducts quantum research spanning superconducting qubits quantum processors quantum algorithms quantum error correction and quantum networks. Yale quantum programs have produced significant breakthroughs in superconducting quantum computing and quantum information processing. Yale serves quantum research community through fundamental quantum research quantum education programs and industry partnerships advancing quantum computing and quantum technologies.

Zapata Computing

Zapata Computing develops enterprise quantum software solutions including Orquestra, a workflow platform for developing and deploying quantum and quantum-inspired algorithms across various quantum and classical hardware. The company focuses on industrial applications in pharmaceuticals, chemicals, finance, and logistics, providing tools for quantum algorithm development, optimization, and machine learning. Zapata’s generative AI capabilities complement quantum computing approaches for solving complex computational problems.

Company Information

• Founded: 2017
• Country: United States
• Website: https://www.zapatacomputing.com
• Categories: quantum software

Investment Information

• Status: private
• Total Raised: $75M
• Last Valuation: $300M

Recent Funding Rounds

• 2023-10-11: series-b - $38M - Series B funding for quantum software platform
• 2021-07-14: series-a - $37M - Series A funding round

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