# Find post-quantum cryptography vendors Browse post-quantum cryptography vendors. Ask for technical specifications, cloud access and references. 15 quantum companies. Also on the [web page](https://quantumcompanies.fyi/category/post-quantum-cryptography). ## Quantum companies 1. [Crypto4A Technologies Inc.](https://quantumcompanies.fyi/ca/on/ottawa/crypto4a-technologies-inc.md), Post-quantum cryptography vendors, Ottawa: Provides quantum-safe hardware security modules and key and secrets management; its QASM cryptographic module has achieved NIST FIPS 140-3 Level 3 validation. 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. [Arqit](https://quantumcompanies.fyi/gb/england/london/arqit.md), Post-quantum cryptography vendors, London: Provides quantum-safe encryption products and PQC migration tooling, including software-defined encryption for telecom, government and critical infrastructure,… 4. [EigenQ](https://quantumcompanies.fyi/us/tx/quantum-researchers-austin/eigenq.md), Post-quantum cryptography vendors, QUANTUM RESEARCHERS Austin: Offers the PQC+ hardware platform in PCIe and M.2 form factors providing hardware-rooted device identity, attestation and lasting data privacy for government,… 5. [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… 6. [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. 7. [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… 8. [Quantum XChange](https://quantumcompanies.fyi/us/md/bethesda/quantum-xchange.md), Post-quantum cryptography vendors, Bethesda: Offers Phio TX, a FIPS 140-3 and FIPS 203 validated post-quantum key management and cryptographic management platform deployable in cloud, virtual, container… 9. [QuRISK](https://quantumcompanies.fyi/fr/courbevoie/courbevoie/qurisk.md), Quantum consulting and training, Courbevoie: Advisory firm specialised in risk and cybersecurity for quantum technologies; helps organisations adopt quantum technologies and build post-quantum… 10. [SandboxAQ](https://quantumcompanies.fyi/us/ny/tarrytown/sandboxaq.md), Post-quantum cryptography vendors, 303 South Broadway, Tarrytown: Builds AI and quantum-related technologies including Large Quantitative Models for simulation, AQtive Guard for cryptography management, and AQNav sensing… 11. [Secure-IC](https://quantumcompanies.fyi/fr/rennes/rennes/secure-ic.md), Post-quantum cryptography vendors, Rennes: Provides embedded cybersecurity solutions for IoT devices, including the Securyzr Post Quantum Cryptography product, secure elements, HSMs and security IPs.… 12. [Senetas](https://quantumcompanies.fyi/au/vic/melbourne/senetas.md), Post-quantum cryptography vendors, Melbourne: Designs and manufactures certified high-assurance network encryption hardware running post-quantum algorithms in hybrid mode; CN7000 offers quantum-resistant… 13. [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… 14. [SSH Communications Security](https://quantumcompanies.fyi/fi/helsinki/helsinki/ssh-communications-security.md), Post-quantum cryptography vendors, Helsinki: Secure connectivity and privileged access company whose products include NQX quantum-safe encryption and quantum readiness solutions. 15. [WISeKey](https://quantumcompanies.fyi/ch/geneva/geneva/wisekey.md), Post-quantum cryptography vendors, Geneva: Swiss digital trust company offering post-quantum cryptography products with FIPS 203/204/205 support, quantum-resilient PKI and the SEALQUANTUM portfolio,… ## Post-quantum cryptography vendors by city - [Austin, TX](https://quantumcompanies.fyi/us/tx/austin/category/post-quantum-cryptography.md): 1 quantum company - [Bethesda, MD](https://quantumcompanies.fyi/us/md/bethesda/category/post-quantum-cryptography.md): 1 quantum company - [Courbevoie, Courbevoie](https://quantumcompanies.fyi/fr/courbevoie/courbevoie/category/post-quantum-cryptography.md): 1 quantum company - [Geneva, Geneva](https://quantumcompanies.fyi/ch/geneva/geneva/category/post-quantum-cryptography.md): 1 quantum company - [Helsinki, Helsinki](https://quantumcompanies.fyi/fi/helsinki/helsinki/category/post-quantum-cryptography.md): 1 quantum company - [Jena, Thuringia](https://quantumcompanies.fyi/de/thuringia/jena/category/post-quantum-cryptography.md): 1 quantum company - [London, England](https://quantumcompanies.fyi/gb/england/london/category/post-quantum-cryptography.md): 1 quantum company - [Melbourne, VIC](https://quantumcompanies.fyi/au/vic/melbourne/category/post-quantum-cryptography.md): 1 quantum company - [New York, NY](https://quantumcompanies.fyi/us/ny/new-york/category/post-quantum-cryptography.md): 1 quantum company - [Ottawa, ON](https://quantumcompanies.fyi/ca/on/ottawa/category/post-quantum-cryptography.md): 1 quantum company - [QUANTUM RESEARCHERS Austin, TX](https://quantumcompanies.fyi/us/tx/quantum-researchers-austin/category/post-quantum-cryptography.md): 1 quantum company - [Rennes, Rennes](https://quantumcompanies.fyi/fr/rennes/rennes/category/post-quantum-cryptography.md): 1 quantum company - [San Jose, CA](https://quantumcompanies.fyi/us/ca/san-jose/category/post-quantum-cryptography.md): 1 quantum company - [Singapore, Singapore](https://quantumcompanies.fyi/sg/singapore/singapore/category/post-quantum-cryptography.md): 1 quantum company - [Tarrytown, NY](https://quantumcompanies.fyi/us/ny/tarrytown/category/post-quantum-cryptography.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 networking and QKD](https://quantumcompanies.fyi/category/quantum-networking.md): 27 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