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Every cybersecurity vendor and service firm on the list. Tick the filters to build a shortlist, then open a profile to see who owns the company and what it does. You can also browse by category or country, or see recent deals.
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See also Encryption vendors and companies based in the United States.
| Company | Category | Based in | Founded | Ownership |
|---|---|---|---|---|
 Akeyless Akeyless provides identity security for machines, AI agents, and humans. | Secrets management | New York, United States | 2018 | Private |
 DigiCert DigiCert provides digital certificates and PKI solutions to secure websites, devices, software, and digital content. | Encryption and key management | Lehi, United States | Private | |
 Doppler Doppler provides a secrets management platform for developers, AI agents, and automated workflows. | Secrets management | San Francisco, United States | 2018 | Private |
 Fortanix Provides a data and AI security platform built on confidential computing to protect data in use. | Encryption and key management | Santa Clara, United States | Private | |
 HashiCorp HashiCorp provides multi-cloud infrastructure automation tools. | Secrets management | San Francisco, United States | 2012 | Part of IBM |
 IBM IBM is a technology company that sells software, infrastructure, and consulting services. | SIEM | Armonk, United States | 1911 | Public, IBM |
 Infisical Provides a platform for managing application secrets, certificates and privileged access. | Secrets management | San Francisco, United States | 2022 | Private |
 IronWiFi IronWiFi sells a cloud-based network identity platform for WiFi authentication and access control. | Identity and access management | Orlando, United States | 2014 | Private |
 Keyfactor Keyfactor provides software for managing machine identities and cryptographic keys. | Encryption and key management | Independence, United States | Private | |
 Kiteworks Kiteworks provides a platform for secure data exchange and governance across email, file sharing, and APIs. | Data loss prevention | San Mateo, United States | 1999 | Private |
 Lattix Technologies Corp Lattix Technologies Corp provides data security with encryption, policy, and audit trails. | Encryption and key management | Culpeper, United States | 2024 | Private |
 LuxSci LuxSci provides secure email, marketing and forms for healthcare organisations. | Email security | Boston, United States | 1999 | Owned by Main Capital Partners |
 Mailprotector Provides email security products for managed service providers, including filtering, encryption and DMARC tools. | Email security | Greenville, United States | 2000 | Private |
 OmniTrust Provides a platform for managing cryptographic trust across devices, systems and AI. | IoT, embedded and product security | Ashburn, United States | 2010 | Private |
 Opaque Systems Provides a trust layer that lets organisations run AI on sensitive data with hardware-enforced governance and verifiable proof. | AI and LLM security | San Francisco, United States | Owned by Anthropic | |
 PreVeil PreVeil provides end-to-end encrypted email and file sharing for defence and regulated industries. | Email security | Boston, United States | 2015 | Private |
 Rambus Chip IP company licensing automotive-grade hardware security modules, MACsec engines and key provisioning for vehicle chips. | Automotive cybersecurity | San Jose, United States | Public, RMBS | |
S Safenet Thales provides cybersecurity products and services to protect data, applications, and identities. | Encryption and key management | Riverside, United States | 1983 | Owned by Thales |
 SSL.com SSL.com issues digital certificates and provides PKI solutions for secure communications and content. | Encryption and key management | Houston, United States | 2002 | Private |
 Symmatrics Symmatrics provides one-time pad encryption products for data in transit and at rest. | Encryption and key management | Tysons Corner, United States | Private | |
 Virtru Virtru provides encryption and access control for email, files, and SaaS applications. | Email security | Washington, United States | 2012 | Private |
 wolfSSL Embedded cryptography firm whose wolfHSM ports its crypto library to automotive hardware security modules in ECUs. | IoT, embedded and product security | Edmonds, Washington, United States | 2004 | Private |