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.

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.

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.

Craft Prospect

Craft Prospect is a British space technology and satellite communications company founded in 2013, participating in the QKDSat consortium led by Honeywell to develop ultra-secure telecommunications satellites using quantum key distribution technology. The consortium includes Redwire Space, British Telecom, QTLabs Austria, Honeywell Canada, and key players in Germany, Czech Republic, and Switzerland. Craft Prospect brings satellite systems engineering and space technology expertise to quantum-secured satellite communications development. The company collaborates with European Space Agency and industry partners advancing quantum communications infrastructure for government, defense, and commercial applications. Craft Prospect serves government agencies, defense contractors, telecommunications operators, and satellite communication providers requiring quantum-safe satellite systems and space-based secure communications. The company focuses on integrating quantum key distribution technology into satellite platforms, developing operational quantum-secured satellite communications systems protecting critical infrastructure and sensitive government communications from cyber threats and quantum computing attacks.

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

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.

HEQA Security

HEQA Security (formerly QuantLR) is an Israeli quantum security company founded in 2018, committed to safeguarding data communication against cyber threats posed by quantum computers. The company focuses on building carrier-grade quantum key distribution (QKD) offerings with products used by world-leading telecom operators, defense organizations, global cloud providers, and financial institutions. HEQA Security ensures protection of data communication against potential threats through groundbreaking security solutions rooted in principles of quantum physics. Leveraging a patented design, HEQA Security’s products stand out as the market’s most cost-effective and scalable enterprise-grade Quantum Key Distribution solution. The company brings quantum leap for secure communication to telecommunications and enterprise markets. HEQA Security serves telecommunications operators, government agencies, defense contractors, financial institutions, and cloud service providers requiring carrier-grade QKD infrastructure for ultra-secure communications protecting against both classical eavesdropping and quantum computing threats to encryption.

Hispasat

Hispasat is Redeia’s satellite services operator founded in 1989 and headquartered in Madrid, Spain, operating satellites providing telecommunications services across Europe, Americas, and North Africa. In January 2025, Hispasat partnered with Thales Alenia Space to start development, manufacturing, verification, and validation phase of the QKD-GEO prototype, Spain’s quantum key distribution system from geostationary orbit. The QKD-GEO mission has a budget of 103.5 million euros and 24-month timeline to develop components for quantum key distribution from geostationary orbit, including quantum payload for geostationary satellite and associated ground segment. Hispasat is responsible for designing the geostationary mission and defining the business plan, with support from Banco de Santander, BBVA, Telefónica, and Cellnex analyzing real use cases with banking sector and terrestrial operators. A field test campaign is planned between Spanish islands of La Palma and Tenerife covering 140-km atmospheric link. Hispasat serves telecommunications operators, government agencies, financial institutions, and critical infrastructure requiring quantum-secure satellite communications.

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.

InfiniQuant GmbH

InfiniQuant is a German quantum key distribution company developing QKD systems for secure enterprise and telecom network communications. The company provides quantum-safe communication infrastructure based on quantum key distribution technology to protect against eavesdropping and quantum computer attacks. InfiniQuant serves telecommunications operators, government agencies, and enterprises requiring ultra-secure communications channels protected by the laws of quantum physics.

Company Information

• Founded: 2019
• Country: Germany
• Website: https://infiniquant.de
• Categories: QKD, quantum networking

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InnovationQuarter

InnovationQuarter is the regional development agency for Zuid-Holland province in the Netherlands, founded in 2005 and based in The Hague, investing in innovative companies including quantum technology and quantum security startups. InnovationQuarter participated in Q*Bird’s 2.5 million euro funding round in May 2024, supporting Delft-based quantum key distribution company. The organization provides investment capital, business development support, and ecosystem connections to high-tech startups and scale-ups in Zuid-Holland region, home to quantum technology clusters in Delft, Leiden, and Rotterdam. InnovationQuarter focuses on deep tech including quantum technologies, photonics, life sciences, and cleantech. The organization serves Zuid-Holland quantum ecosystem connecting startups with QuTech research center, TNO, universities, and corporate partners. InnovationQuarter invests in quantum communications, quantum security, quantum sensing, and quantum computing companies commercializing research from Delft University of Technology and Leiden University. The organization contributes to Netherlands quantum technology leadership building innovation infrastructure and supporting growth of quantum startups in one of Europe’s leading quantum technology regions.

Institute of Astrophysics of the Canary Islands Quantum Division

Institute of Astrophysics of the Canary Islands (IAC) is a Spanish astrophysics research center founded in 1982 and headquartered in La Laguna, Tenerife, Spain, with Quantum Division participating in Spain’s QKD-GEO quantum key distribution geostationary satellite mission. IAC participates in the large industrial consortium led by Thales Alenia Space developing quantum communications technology for space-based quantum key distribution. The institute brings astrophysics expertise and Canary Islands astronomical facilities to quantum communications research and testing. A field test campaign is planned between Spanish islands of La Palma and Tenerife covering 140-km atmospheric link, validating ground segment and quantum payload functionality under representative conditions before implementing operational mission in orbit. IAC collaborates with Polytechnic University of Madrid, University of Vigo, Thales Alenia Space, and Hispasat advancing quantum communications from space. The institute serves European Space Agency, quantum technology companies, and research institutions requiring space-based quantum communications research, atmospheric quantum transmission testing, and ground station development for satellite QKD systems.

Kloch Quantum Technologies

Kloch Quantum Technologies is an Indian quantum key distribution company developing QKD systems for secure government and enterprise communications. The company provides quantum-safe communication solutions designed for India’s growing quantum security infrastructure needs. Kloch Quantum addresses the critical need for quantum-safe communications in government, defense, and financial sectors, supporting India’s national quantum mission to develop sovereign quantum technology capabilities.

Company Information

• Founded: 2020
• Country: India
• Website: N/A
• Categories: QKD

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Lumenisity

Lumenisity is a UK-based photonics company founded in 2017 as spinout from University of Southampton developing hollow core fiber technology for quantum communications and telecommunications. The company CoreSmart hollow core fibers enable ultra-low latency data transmission and enhanced security ideal for quantum key distribution (QKD) networks. Lumenisity was acquired by Microsoft in 2022 to advance hollow core fiber deployment for cloud and quantum networking infrastructure. The company technology reduces signal latency and improves data security compared to traditional solid core optical fibers. Lumenisity serves telecommunications operators, financial services, cloud providers, and quantum communication networks requiring ultra-fast secure data transmission. The company contributes to quantum communications infrastructure development advancing quantum-safe networking and quantum internet infrastructure.

LuxQuanta Technologies

LuxQuanta Technologies is a Chinese quantum communication company developing quantum key distribution systems and quantum secure networks. The company provides QKD equipment and quantum communication infrastructure for China’s national quantum communication networks. LuxQuanta is part of China’s strategic push to build quantum-safe communications infrastructure, protecting sensitive government and commercial communications from current and future quantum computer threats.

Company Information

• Founded: 2017
• Country: China
• Website: N/A
• Categories: QKD, quantum networking

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Mitsubishi Electric Quantum Division

Mitsubishi Electric Corporation is a Japanese multinational electronics and electrical equipment manufacturing company founded in 1921 and headquartered in Tokyo, Japan, with Quantum Division developing quantum communications and post-quantum cryptography solutions. Mitsubishi Electric joined forces with six partners including Toshiba and NTT to build a national quantum secure networking testbed in Japan. The company has been preparing for post-quantum cryptography, ensuring its information security products use quantum-resistant algorithms. Mitsubishi Electric develops quantum key distribution systems, quantum-safe networking equipment, and post-quantum cryptography implementations for telecommunications and critical infrastructure protection. The company invests in quantum technology research supporting Japan’s quantum communications infrastructure development. Mitsubishi Electric serves Japanese government agencies, telecommunications operators, financial institutions, defense contractors, and critical infrastructure sectors requiring quantum-safe communications equipment, QKD systems, and post-quantum cryptography implementations. The company contributes to Japan’s quantum technology ecosystem advancing practical quantum security solutions for telecommunications and enterprise markets.

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.

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.

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.

Polytechnic University of Madrid Quantum Division

Polytechnic University of Madrid (Universidad Politécnica de Madrid - UPM) is a Spanish public research university founded in 1971 and headquartered in Madrid, Spain, with Quantum Division participating in Spain’s QKD-GEO quantum key distribution geostationary satellite mission. UPM is part of the large industrial consortium led by Thales Alenia Space developing quantum communications technology for space-based quantum key distribution systems. The university brings telecommunications engineering and quantum communications research expertise to satellite QKD development. UPM collaborates with Institute of Astrophysics of the Canary Islands, University of Vigo, Thales Alenia Space, and Hispasat advancing quantum-safe satellite communications. The university conducts research in quantum cryptography, quantum optics, and quantum communications protocols for satellite applications. UPM serves European quantum communications research community, quantum technology companies, and government agencies requiring quantum communications research, quantum networking protocols development, and satellite QKD systems engineering. The university contributes to Spanish national quantum strategy and European Quantum Communication Infrastructure (EuroQCI) initiative.

QNu Labs

QNu Labs is an Indian quantum security company providing quantum random number generators and quantum key distribution systems for enterprise security applications. The company manufactures QRNG hardware and QKD systems designed for securing sensitive communications in banking, government, and defense sectors. QNu Labs is part of India’s national quantum mission to develop sovereign quantum security capabilities, providing indigenous quantum security solutions for critical infrastructure and national security applications.

Quantum Optics Jena GmbH

Quantum Optics Jena is a Fraunhofer IOF spin-off specializing in entangled photon pair sources, polarization analyzers, and QKD systems for secure communications. The company completed a seven-figure euro seed funding round in 2021 to commercialize quantum photonic components. Quantum Optics Jena provides the Elvis QKD system for both fiber network and satellite quantum communication applications, offering complete solutions from photon sources to encryption systems for quantum-safe communications infrastructure.

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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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.

S-Fifteen Instruments Pte Ltd

S-Fifteen Instruments is a Singapore company developing quantum communication devices including quantum random number generators and QKD systems. The company manufactures QRNG hardware, QKD equipment, and quantum optics components for quantum communication networks. S-Fifteen Instruments serves the growing quantum communications market in Asia-Pacific, providing quantum hardware components for secure communications infrastructure and quantum networking applications.

Company Information

• Founded: 2014
• Country: Singapore
• Website: https://s-fifteen.com
• Categories: QRNG, QKD, quantum components

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Single Quantum B.V.

Single Quantum is a Dutch company providing superconducting nanowire single photon detectors, partnering with Toshiba in 2024 to extend QKD range to over 300 kilometers. The company manufactures high-performance single photon detectors essential for quantum key distribution, quantum computing, and quantum sensing applications. Single Quantum’s superconducting nanowire detector technology enables record-breaking quantum communication distances and provides critical measurement capabilities for quantum research and commercial quantum technologies.

Company Information

• Founded: 2012
• Country: Netherlands
• Website: https://singlequantum.com
• Categories: photonics, QKD, quantum components

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Sparring Capital Partners

Sparring Capital Partners is a European venture capital firm founded in 2019, focusing on deep tech and enterprise software investments including quantum security companies. In March 2025, Sparring Capital Partners led Quantum Industries’ 9.5 million euro seed financing round alongside Findus Venture and KGAL, supporting Vienna-based quantum secure communications company. The firm invests in early-stage and growth-stage technology companies developing quantum cryptography, cybersecurity, enterprise software, and deep tech solutions. Sparring Capital Partners brings capital, strategic expertise, and industry connections to quantum security startups commercializing quantum communications technologies. The firm serves European quantum technology ecosystem connecting startups with corporate partners, research institutions, and follow-on investors. Sparring Capital invests in quantum key distribution companies, post-quantum cryptography developers, quantum networking startups, and quantum-safe communications providers building practical commercial quantum security solutions. The firm contributes to European quantum technology growth supporting companies developing quantum-safe infrastructure for critical communications, government agencies, financial institutions, and telecommunications operators.

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.

Telsy

Telsy is an Italian cybersecurity company that expanded into quantum key distribution and quantum-safe security solutions for government and defense applications. With decades of experience in cryptography and secure communications, Telsy provides QKD systems and post-quantum cryptography solutions to protect critical national security communications. The company serves Italian government, defense, and critical infrastructure sectors with quantum-enhanced security technologies integrated into national secure communications networks.

Company Information

• Founded: 1980
• Country: Italy
• Website: https://www.telsy.it
• Categories: QKD, quantum security

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Thales Alenia Space Quantum Division

Thales Alenia Space is a joint venture between Thales (67%) and Leonardo (33%), founded in 2007 and headquartered in Cannes, France, with quantum technology division developing space-based quantum communications systems. In January 2025, Thales Alenia Space partnered with Hispasat to develop the QKD-GEO prototype, Spain’s quantum key distribution system from geostationary orbit, with 103.5 million euro budget. Thales Alenia Space leads a large industrial consortium including Spanish and European companies, with participation from entities specialized in quantum communications: Institute of Astrophysics of the Canary Islands (IAC), Polytechnic University of Madrid, and University of Vigo. The company develops quantum payloads for geostationary satellites and associated ground segments for quantum-secure communications from space. Field test campaigns are planned between La Palma and Tenerife covering 140-km atmospheric links. Thales Alenia Space serves government agencies, defense organizations, telecommunications operators, and critical infrastructure sectors requiring satellite-based quantum key distribution for ultra-secure space-to-ground communications.

Toshiba Quantum Technology Division

Toshiba Quantum Technology Division is based in Cambridge, United Kingdom, headed by Andrew Shields, operating as part of Toshiba Europe Limited’s Cambridge Research Laboratory. Toshiba started quantum cryptography research in 1999 and manufactures the Multiplexed QKD System at their Cambridge UK base. In March 2025, Toshiba Europe Limited launched a commercial QKD system integrating post-quantum cryptography (PQC) using NIST’s ML-KEM standard, offering enhanced quantum-safe security. In May 2024, Toshiba developed a QRNG fully integrated into semiconductor chips ready for mass manufacture. The division demonstrated record-breaking QKD transmission distances and pioneered quantum-secured network deployments across Europe and Asia. Toshiba collaborates with telecommunications operators including BT Group and global financial institutions to deploy quantum-safe communications infrastructure. The company serves telecommunications operators, government agencies, financial institutions, and critical infrastructure sectors requiring commercial-grade quantum key distribution systems and quantum-safe networking equipment.

University of Vigo Quantum Division

University of Vigo (Universidade de Vigo) is a Spanish public research university founded in 1989 and headquartered in Vigo, Galicia, Spain, with Quantum Division participating in Spain’s QKD-GEO quantum key distribution geostationary satellite mission. The university is part of the large industrial consortium led by Thales Alenia Space developing quantum communications technology for space-based quantum key distribution. University of Vigo brings expertise in telecommunications, photonics, and quantum optics to satellite QKD research and development. The university collaborates with Institute of Astrophysics of the Canary Islands, Polytechnic University of Madrid, Thales Alenia Space, and Hispasat advancing quantum-safe satellite communications infrastructure. University of Vigo conducts research in quantum communications, quantum cryptography protocols, and photonic quantum technologies for space applications. The university serves European quantum research community, quantum technology companies, and government agencies requiring quantum communications research, quantum optics expertise, and satellite QKD technology development. The university contributes to Spanish quantum technology ecosystem and European quantum communications infrastructure initiatives.

XT Quantech

XT Quantech is a Chinese quantum technology company developing quantum random number generators and quantum communication systems for security applications. The company provides QRNG devices and quantum key distribution solutions for government, military, and enterprise customers in China. XT Quantech is part of China’s growing quantum security industry, supporting the national strategy to build quantum-safe communications infrastructure and protect sensitive information from quantum computer threats.

Company Information

• Founded: 2018
• Country: China
• Website: N/A
• Categories: quantum security, QRNG, QKD

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