Telecommunications

Cellnex Quantum Division - Quantum Computing Company Profile | Quantum Navigator

Cellnex Quantum Division

Cellnex Telecom is a Spanish telecommunications infrastructure and services company founded in 2015 and headquartered in Barcelona, Spain, with Quantum Division supporting quantum-safe satellite communications development and quantum networking infrastructure. Cellnex participates in Spain’s QKD-GEO quantum key distribution geostationary satellite mission led by Thales Alenia Space and Hispasat, analyzing real use cases with banking sector and terrestrial operators for quantum-secure communications. The company collaborates with Hispasat, Banco de Santander, BBVA, and Telefónica defining business plans for quantum-safe satellite and terrestrial network integration. Cellnex operates telecommunications tower infrastructure across Europe providing potential backbone for quantum-safe communications networks. The company invests in next-generation secure communications technologies including quantum key distribution and post-quantum cryptography preparing infrastructure for quantum computing threats. Cellnex serves telecommunications operators, mobile network operators, broadcasters, and infrastructure sectors requiring quantum-safe communications capabilities and tower infrastructure supporting quantum networking deployments across European markets.

Comcast - Quantum Computing Company Profile | Quantum Navigator

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.

Deutsche Telekom Quantum Division - Quantum Computing Company Profile | Quantum Navigator

Deutsche Telekom Quantum Division

Deutsche Telekom is a German telecommunications company founded in 1995 and headquartered in Bonn, Germany, with Quantum Division developing quantum-safe telecommunications infrastructure and quantum networking capabilities. In 2024, Deutsche Telekom tested Qunnect’s quantum technologies on its fiber networks, advancing practical quantum communications deployments on operational telecommunications infrastructure. The company collaborates with quantum technology providers advancing quantum key distribution (QKD) networks, post-quantum cryptography implementations, and quantum-safe telecommunications systems across European networks. Deutsche Telekom invests in quantum networking research supporting quantum internet development and preparing telecommunications infrastructure for quantum computing threats to current encryption standards. The company demonstrated quantum-secured network connections and deploys quantum-safe communications infrastructure for enterprise customers, government agencies, and critical infrastructure sectors. Deutsche Telekom serves European telecommunications markets requiring quantum-safe communications, quantum networking infrastructure, and post-quantum cryptography implementations protecting network security and customer data against emerging quantum computing capabilities.

Eurofiber - Quantum Computing Company Profile | Quantum Navigator

Eurofiber

Eurofiber is a European telecommunications and fiber optic network provider founded in 2000, headquartered in Amsterdam, Netherlands, deploying quantum key distribution technology across its extensive fiber network. In February 2025, Eurofiber and QBird were awarded 1 million euros at Mobile World Congress Barcelona for their Quantum Key Distribution project by Dutch government. In October 2024, Eurofiber collaborated with QBird to integrate QKD technology into Eurofiber’s extensive fiber optic network connecting quantum communication networks in Amsterdam and Rotterdam. In April 2024, QuTech and Eurofiber ran quantum cryptography on existing fiber in an open testbed, demonstrating practical QKD deployment on operational telecommunications infrastructure. The project strengthens collaboration between network provider Eurofiber and quantum security company Q*Bird advancing quantum-safe communications infrastructure in Netherlands. Eurofiber serves telecommunications operators, enterprises, data centers, government agencies, and financial institutions requiring quantum-safe network connectivity and secure communications infrastructure preparing for quantum computing threats to current encryption standards.

KPN - Quantum Computing Company Profile | Quantum Navigator

KPN

Koninklijke KPN N.V. (Royal KPN) is a Dutch telecommunications and IT provider founded in 1989 (privatized from PTT), headquartered in Rotterdam, Netherlands. KPN explores quantum communications including quantum key distribution (QKD) trials and quantum-safe telecommunications infrastructure. The company collaborates with Dutch quantum technology companies and QuTech research center advancing practical quantum communications deployments. KPN investigates post-quantum cryptography and quantum networking capabilities for telecommunications infrastructure. The company serves Netherlands telecommunications markets enterprises and government agencies requiring quantum-safe communications. KPN contributes to Netherlands quantum technology ecosystem advancing quantum communications research and quantum networking for telecommunications industry supporting Dutch quantum technology leadership protecting telecommunications infrastructure against quantum computing threats.

NTT Quantum Technology Division - Quantum Computing Company Profile | Quantum Navigator

NTT Quantum Technology Division

Nippon Telegraph and Telephone Corporation (NTT) is a Japanese telecommunications company founded in 1952 and headquartered in Tokyo, Japan, with Quantum Technology Division developing quantum communications, quantum key distribution, and quantum networking systems. NTT conducts pioneering quantum networking research deploying QKD networks and quantum-safe telecommunications infrastructure in Japan. The company researches quantum network technologies and quantum security, having demonstrated quantum tokens for secure transactions in 2021. NTT collaborates with Japanese quantum technology companies and government initiatives advancing practical quantum communications deployments. In early 2024, NTT joined forces with Fujitsu, Hitachi, NEC, and Mitsubishi Electric on quantum technology initiatives building national quantum secure networking testbed. NTT invests in quantum cryptography, quantum random number generation, and post-quantum cryptography preparing telecommunications infrastructure for quantum computing threats. The company serves Japanese telecommunications markets, government agencies, financial institutions, and critical infrastructure sectors requiring quantum-safe communications and quantum networking infrastructure supporting Japan’s quantum technology leadership.

Optus - Quantum Computing Company Profile | Quantum Navigator

Optus

Optus (Singtel Optus Pty Limited) is an Australian telecommunications company founded in 1981, subsidiary of Singtel, headquartered in Sydney, Australia. Optus explores quantum networking technologies including quantum key distribution trials and quantum-safe telecommunications infrastructure. The company collaborates with Australian quantum technology companies and research institutions advancing quantum communications capabilities. Optus investigates quantum encryption for secure telecommunications preparing network infrastructure for quantum technologies. The company serves Australian telecommunications markets providing mobile broadband and fixed-line services. Optus contributes to Australian quantum technology ecosystem supporting quantum communications research and quantum networking development for telecommunications industry.

Orange Quantum Division - Quantum Computing Company Profile | Quantum Navigator

Orange Quantum Division

Orange S.A. is a French multinational telecommunications corporation founded in 1990 (originally France Télécom from 1988) and headquartered in Paris, France, with Quantum Division developing quantum-safe telecommunications infrastructure and quantum networking capabilities. Orange conducts quantum networking research deploying quantum key distribution (QKD) networks and quantum-safe communications systems across French and European telecommunications infrastructure. The company collaborates with French quantum technology companies and research institutions including CryptoNext Security, Alice & Bob, and Pasqal advancing practical quantum communications deployments. Orange invests in post-quantum cryptography preparing telecommunications infrastructure for quantum computing threats. The company demonstrated quantum-secured fiber optic network connections for enterprise and government customers requiring ultra-secure communications. Orange serves European telecommunications markets, government agencies, financial institutions, and critical infrastructure sectors requiring quantum-safe communications and quantum network infrastructure. The company contributes to European Quantum Communication Infrastructure (EuroQCI) initiative and French National Quantum Strategy advancing quantum-safe telecommunications at scale.

Rakuten - Quantum Computing Company Profile | Quantum Navigator

Rakuten

Rakuten Group Inc. is a Japanese electronic commerce and online retailing company founded in 1997, headquartered in Tokyo, Japan, operating Rakuten Mobile telecommunications service. Rakuten explores quantum technologies through Rakuten Institute of Technology conducting quantum computing research and quantum algorithm development. The company investigates quantum applications for e-commerce optimization supply chain management and telecommunications network optimization. Rakuten collaborates with quantum computing providers and research institutions exploring practical quantum applications for business operations. The company serves e-commerce fintech telecommunications and digital content markets. Rakuten contributes to Japan quantum technology ecosystem advancing quantum research and quantum technology adoption representing Japanese technology industry quantum innovation for e-commerce optimization and telecommunications applications supporting quantum technology commercialization.

Reliance Jio - Quantum Computing Company Profile | Quantum Navigator

Reliance Jio

Reliance Jio Infocomm Limited (Jio) is an Indian mobile network operator founded in 2007, subsidiary of Jio Platforms owned by Reliance Industries, headquartered in Mumbai, India. Jio explores quantum technologies through research partnerships investigating quantum communications quantum-safe security and quantum computing applications for telecommunications. The company collaborates with Indian quantum research institutions exploring quantum technology adoption. Jio serves Indian telecommunications markets as largest mobile operator by subscribers. The company contributes to India quantum technology ecosystem supporting quantum research and quantum technology exploration for telecommunications sector advancing quantum communications and quantum-safe security for Indian telecommunications infrastructure.

Rogers Communications - Quantum Computing Company Profile | Quantum Navigator

Rogers Communications

Rogers Communications Inc. is a Canadian communications and media company founded in 1960, headquartered in Toronto, Ontario. Rogers explores quantum technologies including quantum-safe security for telecommunications networks and quantum communications research. The company collaborates with Canadian quantum technology companies and research institutions exploring quantum networking capabilities. Rogers investigates post-quantum cryptography preparing telecommunications infrastructure for quantum computing threats. The company serves Canadian telecommunications markets including wireless cable and media services for consumers and businesses. Rogers contributes to Canadian quantum technology ecosystem supporting quantum communications research and quantum-safe security development for telecommunications infrastructure advancing quantum technology adoption in Canadian telecommunications sector protecting network security against emerging quantum computing threats.

SoftBank - Quantum Computing Company Profile | Quantum Navigator

SoftBank

SoftBank Group Corp. is a Japanese multinational conglomerate founded in 1981, headquartered in Tokyo, Japan. SoftBank invests in quantum technology companies through SoftBank Vision Fund and corporate ventures including quantum computing startups and quantum technology providers. The company telecommunications division explores quantum-safe security for mobile networks and quantum communications technologies. SoftBank collaborates with quantum technology companies advancing quantum technology commercialization and quantum innovation. The company serves telecommunications, technology investment, and venture capital markets supporting quantum startup growth and quantum technology development. SoftBank contributes to Japan and global quantum technology ecosystem through strategic investments in quantum computing companies and quantum technology ventures advancing quantum innovation and quantum industry development representing Japanese technology investment in quantum computing sector worldwide.

SPTel - Quantum Computing Company Profile | Quantum Navigator

SPTel

SPTel is a joint venture company of ST Engineering and SP Group, serving as a leading provider of next-generation telecommunications and digital solutions in Singapore with strong focus on innovation and reliability. SPTel uses unique fiber pathways combining leased SP Group infrastructure and owned fiber pipes laid alongside power network cables, having connected 90% of Singapore’s commercial data centers. In November 2022, SPTel and SpeQtral announced success on initial trials toward setting up Quantum-Secure Networks on SPTel’s diverse fiber network, the first such trials in Singapore. In November 2023, SPTel and SpeQtral were jointly appointed by the Infocomm Media Development Authority of Singapore (IMDA) to build the National Quantum-Safe Network Plus (NQSN+), Singapore’s first nationwide quantum-safe network. The combination of SPTel’s capabilities in building diverse networks with SpeQtral’s deep expertise in Quantum Key Distribution (QKD) technology advances development of robust and resilient NQSN+. SPTel serves enterprises, government agencies, data centers, and telecommunications operators requiring quantum-safe network infrastructure.

T-Mobile - Quantum Computing Company Profile | Quantum Navigator

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.

Telenor - Quantum Computing Company Profile | Quantum Navigator

Telenor

Telenor ASA is a Norwegian telecommunications company founded in 1855 (modern form 1994), headquartered in Fornebu, Norway. Telenor explores quantum technologies including quantum-safe security for telecommunications networks and quantum communications research. The company collaborates with Nordic quantum technology companies and research institutions advancing quantum technology adoption in telecommunications sector. Telenor investigates post-quantum cryptography preparing telecommunications infrastructure for quantum computing threats. The company serves Norwegian and international telecommunications markets including Nordic and Asian regions. Telenor contributes to Nordic quantum technology ecosystem supporting quantum communications research and quantum-safe security development for telecommunications infrastructure advancing quantum technology adoption in Nordic telecommunications sector preparing for post-quantum security transitions.

Telia Company - Quantum Computing Company Profile | Quantum Navigator

Telia Company

Telia Company AB (formerly TeliaSonera) is a Swedish telecommunications company founded in 1853 (modern form 2002), headquartered in Solna, Sweden. Telia explores quantum technologies including quantum-safe security for telecommunications networks and quantum communications research. The company collaborates with Nordic quantum technology companies and research institutions advancing quantum technology adoption in telecommunications sector. Telia investigates post-quantum cryptography preparing telecommunications infrastructure for quantum computing threats. The company serves Nordic and Baltic telecommunications markets. Telia contributes to Nordic quantum technology ecosystem supporting quantum communications research and quantum-safe security development for telecommunications infrastructure.