> Enrich.chat gives AI agents verified work emails and mobiles. To use it from an agent, read https://enrich.chat/agents.md . This is the Markdown version of https://enrich.chat/companies-in/united-states/computer-and-network-security/ # Cybersecurity companies in the United States Larger cybersecurity companies headquartered in the United States: who they are, what they run and how to reach their people. By Enrich.chat Editorial. Updated October 21, 2026. **Short answer:** Larger cybersecurity companies headquartered in the United States include Palo Alto Networks, Fortinet, CrowdStrike, Zscaler and Own. Below are the tools that stand out, where they are based and how big they are. ## Which cybersecurity companies are headquartered in the United States? They include Palo Alto Networks, Fortinet, CrowdStrike, Zscaler and Own. The table lists a selection in alphabetical order; names link to company profiles. | Company | Size | Tools detected | | --- | --- | --- | | AMI | 2,000 to 5,000 | 13 | | Arctic Wolf Networks | 2,000 to 5,000 | 61 | | Barracuda Networks | 2,000 to 5,000 | 52 | | Bugcrowd | 2,000 to 5,000 | 48 | | Check Point Software Technologies | 5,000 to 10,000 | 71 | | Cloudflare | 5,000 to 10,000 | 99 | | [CrowdStrike](https://enrich.chat/company/crowdstrike/) | 10,000 to 25,000 | 74 | | [Fortinet](https://enrich.chat/company/fortinet/) | 10,000 to 25,000 | 75 | | Gen | 2,000 to 5,000 | 31 | | HackerOne | 5,000 to 10,000 | 107 | | Infoblox | 2,000 to 5,000 | 46 | | KnowBe4 | 2,000 to 5,000 | 51 | | Netskope | 2,000 to 5,000 | 17 | | Optiv | 2,000 to 5,000 | 34 | | Own | 5,000 to 10,000 | 35 | | [Palo Alto Networks](https://enrich.chat/company/palo-alto-networks/) | 10,000 to 25,000 | 85 | | Proofpoint | 2,000 to 5,000 | 51 | | Qualys | 2,000 to 5,000 | 19 | | Rapid7 | 2,000 to 5,000 | 82 | | RSA Security | 2,000 to 5,000 | 44 | | SentinelOne | 2,000 to 5,000 | 62 | | SonicWall | 2,000 to 5,000 | 11 | | Tenable | 2,000 to 5,000 | 69 | | Trellix | 2,000 to 5,000 | 48 | | Varonis Systems | 2,000 to 5,000 | 55 | | Wiz | 2,000 to 5,000 | 45 | | Zscaler | 5,000 to 10,000 | 77 | ## What technology do cybersecurity companies in the United States use? These tools stand out among them: each is detected more often here than across all the organizations listed. The tick on each bar marks that wider average. **Figure: Tools that stand out among cybersecurity companies in United States.** Bars for the share of listed cybersecurity companies in United States where each tool was detected, with a tick for the share across everything listed: Statuspage 67% against 3%, Demandbase 44% against 2%, Bizible (Adobe Marketo Measure) 37% against 1%, Drift 37% against 1%, Greenhouse 33% against 2%, Jobvite 15% against 1%. *Share of listed cybersecurity companies in the United States where each tool was detected. The tick marks the share across all listed organizations.* ## Where in the United States are they based? The bars show the headquarters city of the listed cybersecurity companies. **Figure: Headquarters cities of cybersecurity companies in United States.** Bars for the share of listed cybersecurity companies in United States headquartered in each city: Santa Clara 11%, Sunnyvale 11%, San Francisco 11%, New York 7%, San Jose 4%, Englewood Cliffs 4%. *Share of listed cybersecurity companies in the United States by headquarters city.* ## How big are cybersecurity companies in the United States? The columns show how they spread across six size ranges. **Figure: Size of cybersecurity companies in United States.** Six columns for the share of listed cybersecurity companies in United States in each size range: 2-5K 70%, 5-10K 19%, 10-25K 11%, 25-50K 0%, 50-100K 0%, 100K+ 0%. *Share of listed cybersecurity companies in the United States in each size range.* ## More to explore Other industries in the United States: [Hospitals and health care](https://enrich.chat/companies-in/united-states/hospitals-and-health-care/)[Information technology and services](https://enrich.chat/companies-in/united-states/information-technology-and-services/)[Retail](https://enrich.chat/companies-in/united-states/retail/)[Higher education](https://enrich.chat/companies-in/united-states/higher-education/)[Government administration](https://enrich.chat/companies-in/united-states/government-administration/)[Financial services](https://enrich.chat/companies-in/united-states/financial-services/)[Insurance](https://enrich.chat/companies-in/united-states/insurance/)[Restaurants](https://enrich.chat/companies-in/united-states/restaurants/)[Mechanical or industrial engineering](https://enrich.chat/companies-in/united-states/mechanical-or-industrial-engineering/)[Real estate](https://enrich.chat/companies-in/united-states/real-estate/)[All of United States](https://enrich.chat/companies-in/united-states/) Computer and network security elsewhere: [California](https://enrich.chat/companies-in/california/computer-and-network-security/)[Computer and network security](https://enrich.chat/industries/computer-and-network-security/) ## How do you reach CISOs, heads of product and channel leaders at cybersecurity companies in the United States? Pick an organization from the table, then ask your AI agent for the people in the roles you sell to. ```text Use www.enrich.chat to find CISOs, heads of product and channel leaders at [company] in the United States, with titles and verified work emails ``` ## Frequently asked questions ### Which cybersecurity companies are headquartered in the United States? They include Palo Alto Networks, Fortinet, CrowdStrike, Zscaler and Own. The page lists a selection with links to their profiles. ### What technology do cybersecurity companies in the United States use? Tools that stand out include Statuspage, Demandbase, Bizible (Adobe Marketo Measure) and Drift. ### How big are cybersecurity companies in the United States? They range from about 2,000 employees to well over 100,000. The columns on this page show the spread. ### Who do you sell to? Usually CISOs, heads of product and channel leaders. Ask your AI agent to use www.enrich.chat to find them with verified work emails. ## Try this prompt Find CISOs, heads of product and channel leaders ```text Use www.enrich.chat to find CISOs, heads of product and channel leaders at [company] in the United States, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Hospitals and health systems in the United States](https://enrich.chat/companies-in/united-states/hospitals-and-health-care/) - [Software and technology services companies in the United States](https://enrich.chat/companies-in/united-states/information-technology-and-services/) - [Retailers in the United States](https://enrich.chat/companies-in/united-states/retail/) - [Colleges and universities in the United States](https://enrich.chat/companies-in/united-states/higher-education/) - [Cybersecurity companies in California](https://enrich.chat/companies-in/california/computer-and-network-security/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)