All companies
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 AI security companies and companies based in the United States.
| Company | Category | Based in | Founded | Ownership |
|---|---|---|---|---|
 Sentra Sentra provides data security solutions to discover and protect sensitive data from AI applications. | Data security posture management | New York, United States | Private | |
 Sevii Sevii provides an autonomous defense and remediation platform that stops cyber adversaries without human intervention. | Identity threat detection and response | Mooresville, United States | Private | |
 Siemba Siemba provides autonomous and expert-led penetration testing for security teams. | Penetration testing | Alpharetta, United States | Private | |
 Straiker Straiker provides security teams with tools to discover, test, and defend AI agents in enterprises. | AI and LLM security | Mountain View, United States | 2025 | Private |
 Sysdig Sysdig provides cloud security built on the open-source Falco project, with an emphasis on runtime detection inside running workloads. | Cloud security (CNAPP and CSPM) | United States | 2013 | Private |
 TigerByte Cyber TigerByte Cyber provides cyber hardening for AI and edge devices in mission-critical environments. | IoT, embedded and product security | Hanover, United States | Private | |
 Tragentics Tragentics is a security and operations layer for AI agents that customers already run on their own infrastructure. | AI and LLM security | United States | 2026 | Private |
 TrustGate AI Self-hosted gateway that inspects and governs AI agent traffic inside a company's own network. | AI and LLM security | United States | 2026 | Private |
 VeriSwarm VeriSwarm provides a trust layer for AI agents. | AI and LLM security | Phoenix, United States | 2026 | Private |
 Virtue AI Virtue AI provides an enterprise AI safety platform for securing AI agents and applications. | AI and LLM security | San Francisco, United States | Part of Fortinet | |
 Wallarm Wallarm provides an AI security and API security platform for enterprises running AI on AWS. | API security | Austin, United States | Private | |
 Wiz Wiz provides a cloud and AI security platform that connects code, cloud, and runtime for risk reduction and threat response. | Cloud security (CNAPP and CSPM) | New York City, United States | 2020 | Part of Google |