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.

Nu Quantum

Nu Quantum is a UK quantum networking company founded in 2018 as a University of Cambridge spinout that develops quantum photonic hardware including room-temperature single-photon sources and detectors for quantum networking applications, pioneering breakthrough Qubit-Photon Interfaces (QPIs) that enable 100x better entanglement rates than current lab state-of-the-art for distributed quantum computing networks, awarded £2.3 million UK government contract to deliver the world’s first modular rack-mount scalable quantum data center prototype with Cisco, building industrialized distributed quantum computing systems at the UK’s National Quantum Computing Centre using proprietary optical microcavity technology with micron-level precision and sub-80 picometre stability for quantum processor networking.

QEYnet

QEYnet is a Canadian quantum key distribution network company founded in 2020 that develops and operates quantum communication networks for secure key distribution services, creating QKD network infrastructure and providing quantum-safe communication services that enable organizations to establish ultra-secure communication channels protected against both classical and quantum computing threats, offering managed QKD services, network integration solutions, and quantum-safe connectivity for government agencies, financial institutions, and enterprises requiring the highest levels of communication security through quantum cryptographic protocols and quantum network infrastructure.

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.

SpeQtral

SpeQtral is a Singapore quantum satellite communications company founded in 2017 as a spinout from the Center for Quantum Technologies that develops space-qualified quantum key distribution systems using entangled photon pairs for ultra-secure global communications, developing the SpeQtre mission with the UK and planning the SpeQtral-1 satellite mission, demonstrating the world’s first space-qualified miniaturized entangled photon source on SpooQy-1 CubeSat in 2019, partnering with SES for interoperable optical ground stations and Thales Alenia Space for quantum communication demonstrations, supported by Singapore’s Office for Space Technology and Industry and European Space Agency’s INT-UQKD program to establish Singapore-Europe quantum communication links.

Toshiba Quantum

Toshiba develops quantum key distribution systems and quantum communication technologies as part of their advanced research and technology portfolio, creating QKD networks and quantum-safe communication solutions for secure data transmission, building quantum cryptography infrastructure for telecommunications and government applications while conducting fundamental research in quantum information science, contributing to Japan’s quantum communication initiatives and providing quantum security solutions that protect sensitive communications against both classical and quantum computing threats through advanced quantum cryptographic protocols and hardware systems.

WelinQ

WelinQ is a French quantum technology company founded in 2022 that develops quantum interconnects and networking components essential for building quantum networks and quantum internet infrastructure, creating hardware and software solutions that enable quantum computers, quantum sensors, and quantum communication systems to be connected and networked together, providing critical quantum networking technology for distributed quantum computing and quantum communication applications across various industries and research institutions.

Company Information

• Founded: 2022
• Country: France
• Website: https://welinq.fr
• Categories: communications

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