# Find quantum networking and QKD Browse quantum networking and QKD. Ask for technical specifications, cloud access and references. 27 quantum companies. Also on the [web page](https://quantumcompanies.fyi/category/quantum-networking). ## Quantum companies 1. [QUBITRIUM](https://quantumcompanies.fyi/nl/south-holland/delft/qubitrium.md), Quantum networking and QKD, Delft: Delft company building terrestrial and space modules for the quantum internet; products include entangled photon resources, single-photon detectors, QKD demo… 2. [QuintessenceLabs](https://quantumcompanies.fyi/us/ca/san-jose/quintessencelabs.md), Quantum networking and QKD, San Jose: Develops quantum-enhanced cybersecurity products including CV-QKD systems, a quantum true random number generator, key and policy management, and PQC readiness… 3. [RedWave Labs](https://quantumcompanies.fyi/gb/england/didcot/redwave-labs.md), Quantum components, Didcot: Designs and manufactures custom photonics control electronics; developing quantum key distribution receivers, single photon detectors and a master controller… 4. [AUREA Technology](https://quantumcompanies.fyi/fr/besancon/besancon/aurea-technology.md), Quantum components, Besancon: Makes photonic instruments for quantum networks and optical sensing: NIR single-photon detectors, GHz time taggers, polarization-entangled photon sources and… 5. [Chattanooga Quantum Collaborative](https://quantumcompanies.fyi/us/tn/chattanooga/chattanooga-quantum-collaborative.md), Quantum consulting and training, Chattanooga: Regional collaborative preparing Chattanooga for quantum technology through a learning center, resource hub, industry events and promotion of the local quantum… 6. [Craft Prospect](https://quantumcompanies.fyi/gb/england/glasgow/craft-prospect.md), Quantum networking and QKD, Glasgow: Small satellite company leading the ESA/UKSA-supported OPS-SAT VOLT mission; offers a 6U CubeSat quantum key distribution payload using the BB84 protocol and a… 7. [Creotech Quantum](https://quantumcompanies.fyi/pl/warszawa/warszawa/creotech-quantum.md), Quantum networking and QKD, Warszawa: Quantum technology company separated from Creotech Instruments, offering QKD systems, Sinara/ARTIQ control electronics, White Rabbit timing solutions and sCMOS… 8. [Delft Networks](https://quantumcompanies.fyi/nl/south-holland/delft/delft-networks.md), Quantum networking and QKD, Delft: Delft-registered company (KVK 94945012, Lorentzweg 1) whose stated focus is connecting the world in the quantum age. 9. [enQase](https://quantumcompanies.fyi/us/tx/austin/enqase.md), Post-quantum cryptography vendors, Austin: enQase offers a quantum-safe encryption platform with cryptographic inventory, NIST-compliant post-quantum cryptography (PQC), quantum random number generation… 10. [Falqon Systems](https://quantumcompanies.fyi/nl/delft/delft/falqon-systems.md), Quantum networking and QKD, Delft: Builds quantum secure network infrastructure: an MDI-QKD series for quantum key distribution, a secure key lifecycle manager and a network domain controller… 11. [Icarus Quantum](https://quantumcompanies.fyi/us/co/boulder/icarus-quantum.md), Quantum networking and QKD, Boulder: Develops a scalable entangled photon generator for secure communication and quantum connectivity. 12. [KEEQuant](https://quantumcompanies.fyi/de/furth/furth/keequant.md), Quantum networking and QKD, Fürth: KEEQuant develops integrated quantum key distribution (QKD) systems and key management systems (KMS) using integrated photonics for quantum-safe communication. 13. [KETS Quantum Security](https://quantumcompanies.fyi/gb/england/bristol/kets-quantum-security.md), Quantum networking and QKD, Bristol: Develops chip-based quantum security products including quantum key distribution and quantum random number generators for defense, finance, critical… 14. [Ki3 Photonics](https://quantumcompanies.fyi/ca/qc/montreal/ki3-photonics.md), Quantum networking and QKD, Montreal: Builds modular integrated and fiber photonics hardware and orchestration software for entanglement distribution over telecom fiber networks, supporting quantum… 15. [levelQuantum](https://quantumcompanies.fyi/it/lombardy/milano/levelquantum.md), Quantum networking and QKD, Milano: Provides quantum key distribution solutions over optical fiber, free space and satellites, using protocols based on published research for secure… 16. [Luxquanta](https://quantumcompanies.fyi/es/castelldefels/castelldefels/luxquanta.md), Quantum networking and QKD, Castelldefels: Offers quantum security solutions for the post-quantum era, including the Nova lq product, targeting telecom, government, critical infrastructure, data… 17. [Nanofiber Quantum Technologies](https://quantumcompanies.fyi/jp/tokyo/tokyo/nanofiber-quantum-technologies.md), Quantum hardware, Tokyo: Builds infrastructure for networked quantum computing: cavity-QED-based, fiber-native quantum interconnect hardware enabling modular, scalable quantum systems. 18. [Nu Quantum](https://quantumcompanies.fyi/gb/england/cambridge/nu-quantum.md), Quantum networking and QKD, Cambridge: Builds quantum networking technology to scale quantum computers by weaving processors into interconnected, modular architectures; its Entanglement Fabric… 19. [Q-Block Computing Inc.](https://quantumcompanies.fyi/ca/ab/edmonton/q-block-computing-inc.md), Quantum hardware, Edmonton: Builds quantum infrastructure at the level of atoms and photons: AllanQ quantum timing, LuciaQ quantum networking, PolarisQ containerized quantum computer, and… 20. [Qrypt](https://quantumcompanies.fyi/us/ny/new-york/qrypt.md), Post-quantum cryptography vendors, New York: Provides quantum-secure encryption products, including quantum entropy services, an appliance, an IPsec gateway, and digital quantum key distribution. 21. [Quantum Optics Jena GmbH](https://quantumcompanies.fyi/de/thuringia/jena/quantum-optics-jena-gmbh.md), Quantum networking and QKD, Jena: Develops quantum-safe communication solutions using QKD (ELVIS product line) and PQC, integrated into existing networks for banking, government, defense and… 22. [Quantum Technology Laboratories](https://quantumcompanies.fyi/at/vienna/vienna/quantum-technology-laboratories.md), Quantum networking and QKD, Vienna: Vienna-based developer of satellite-based and terrestrial free-space quantum communication and QKD systems, including quantum sources, receivers and optical… 23. [SpeQtral](https://quantumcompanies.fyi/sg/singapore/singapore/speqtral.md), Quantum networking and QKD, Singapore: Builds fibre-based and satellite quantum key distribution networks plus PQC products to create a quantum-safe communication network for governments and… 24. [Terra Quantum](https://quantumcompanies.fyi/ch/rorschach/rorschach/terra-quantum.md), Quantum software and algorithms, Rorschach: Offers Quantum as a Service spanning quantum algorithms, quantum computing and quantum security. 25. [ThinkQuantum](https://quantumcompanies.fyi/it/sarcedo/sarcedo/thinkquantum.md), Quantum networking and QKD, Sarcedo: University of Padua spin-off providing QKD systems over fiber, free-space and satellite links, plus quantum random number generators, for cyber security and… 26. [Vegacomp Consulting](https://quantumcompanies.fyi/ro/bucharest/bucharest/vegacomp-consulting.md), Quantum networking and QKD, Bucharest: Romanian company offering fiber optic connectivity, smart parking and quantum communications solutions; member of the European Quantum Industry Consortium and… 27. [zerothird](https://quantumcompanies.fyi/at/vienna/vienna/zerothird.md), Quantum networking and QKD, Vienna: Provides entanglement-based quantum key distribution for critical infrastructure, including Quantum Key As A Service, METRO eQKD products and QKD lab equipment. ## Quantum networking and QKD by city - [Delft, South Holland](https://quantumcompanies.fyi/nl/south-holland/delft/category/quantum-networking.md): 2 quantum companies - [Vienna, Vienna](https://quantumcompanies.fyi/at/vienna/vienna/category/quantum-networking.md): 2 quantum companies - [Austin, TX](https://quantumcompanies.fyi/us/tx/austin/category/quantum-networking.md): 1 quantum company - [Besancon, Besancon](https://quantumcompanies.fyi/fr/besancon/besancon/category/quantum-networking.md): 1 quantum company - [Boulder, CO](https://quantumcompanies.fyi/us/co/boulder/category/quantum-networking.md): 1 quantum company - [Bristol, England](https://quantumcompanies.fyi/gb/england/bristol/category/quantum-networking.md): 1 quantum company - [Bucharest, Bucharest](https://quantumcompanies.fyi/ro/bucharest/bucharest/category/quantum-networking.md): 1 quantum company - [Cambridge, England](https://quantumcompanies.fyi/gb/england/cambridge/category/quantum-networking.md): 1 quantum company - [Castelldefels, Castelldefels](https://quantumcompanies.fyi/es/castelldefels/castelldefels/category/quantum-networking.md): 1 quantum company - [Chattanooga, TN](https://quantumcompanies.fyi/us/tn/chattanooga/category/quantum-networking.md): 1 quantum company - [Delft, Delft](https://quantumcompanies.fyi/nl/delft/delft/category/quantum-networking.md): 1 quantum company - [Didcot, England](https://quantumcompanies.fyi/gb/england/didcot/category/quantum-networking.md): 1 quantum company - [Edmonton, AB](https://quantumcompanies.fyi/ca/ab/edmonton/category/quantum-networking.md): 1 quantum company - [Fürth, Fürth](https://quantumcompanies.fyi/de/furth/furth/category/quantum-networking.md): 1 quantum company - [Glasgow, England](https://quantumcompanies.fyi/gb/england/glasgow/category/quantum-networking.md): 1 quantum company - [Jena, Thuringia](https://quantumcompanies.fyi/de/thuringia/jena/category/quantum-networking.md): 1 quantum company - [Milano, Lombardy](https://quantumcompanies.fyi/it/lombardy/milano/category/quantum-networking.md): 1 quantum company - [Montreal, QC](https://quantumcompanies.fyi/ca/qc/montreal/category/quantum-networking.md): 1 quantum company - [New York, NY](https://quantumcompanies.fyi/us/ny/new-york/category/quantum-networking.md): 1 quantum company - [Rorschach, Rorschach](https://quantumcompanies.fyi/ch/rorschach/rorschach/category/quantum-networking.md): 1 quantum company - [San Jose, CA](https://quantumcompanies.fyi/us/ca/san-jose/category/quantum-networking.md): 1 quantum company - [Sarcedo, Sarcedo](https://quantumcompanies.fyi/it/sarcedo/sarcedo/category/quantum-networking.md): 1 quantum company - [Singapore, Singapore](https://quantumcompanies.fyi/sg/singapore/singapore/category/quantum-networking.md): 1 quantum company - [Tokyo, Tokyo](https://quantumcompanies.fyi/jp/tokyo/tokyo/category/quantum-networking.md): 1 quantum company - [Warszawa, Warszawa](https://quantumcompanies.fyi/pl/warszawa/warszawa/category/quantum-networking.md): 1 quantum company ## Related categories - [Quantum components](https://quantumcompanies.fyi/category/quantum-components.md): 69 quantum companies - [Quantum hardware](https://quantumcompanies.fyi/category/quantum-hardware.md): 40 quantum companies - [Quantum sensing and metrology](https://quantumcompanies.fyi/category/quantum-sensing.md): 32 quantum companies - [Quantum software and algorithms](https://quantumcompanies.fyi/category/quantum-software.md): 28 quantum companies - [Quantum consulting and training](https://quantumcompanies.fyi/category/quantum-consulting.md): 20 quantum companies - [Quantum cloud access](https://quantumcompanies.fyi/category/quantum-cloud.md): 17 quantum companies - [Post-quantum cryptography vendors](https://quantumcompanies.fyi/category/post-quantum-cryptography.md): 15 quantum companies