> 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/california/computer-and-network-security/ # Cybersecurity companies in California Larger cybersecurity companies headquartered in California: 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 California include Palo Alto Networks, Fortinet, CrowdStrike, Zscaler and Check Point Software Technologies. Below are the tools that stand out, where they are based and how big they are. ## Which cybersecurity companies are headquartered in California? They include Palo Alto Networks, Fortinet, CrowdStrike, Zscaler and Check Point Software Technologies. The table lists a selection in alphabetical order; names link to company profiles. | Company | Size | Tools detected | | --- | --- | --- | | 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 | | HackerOne | 5,000 to 10,000 | 107 | | Infoblox | 2,000 to 5,000 | 46 | | Netskope | 2,000 to 5,000 | 17 | | [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 | | SentinelOne | 2,000 to 5,000 | 62 | | SonicWall | 2,000 to 5,000 | 11 | | Zscaler | 5,000 to 10,000 | 77 | ## What technology do cybersecurity companies in California 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 California.** Bars for the share of listed cybersecurity companies in California where each tool was detected, with a tick for the share across everything listed: Statuspage 67% against 3%, Demandbase 60% against 2%, Drift 53% against 1%, Bizible (Adobe Marketo Measure) 40% against 1%, Jobvite 20% against 1%, Litmos 20% against 0%. *Share of listed cybersecurity companies in California where each tool was detected. The tick marks the share across all listed organizations.* ## Where in California are they based? The bars show the headquarters city of the listed cybersecurity companies. **Figure: Headquarters cities of cybersecurity companies in California.** Bars for the share of listed cybersecurity companies in California headquartered in each city: Santa Clara 20%, Sunnyvale 20%, San Francisco 20%, San Jose 7%, Redwood City 7%, Foster City 7%. *Share of listed cybersecurity companies in California by headquarters city.* ## How big are cybersecurity companies in California? The columns show how they spread across six size ranges. **Figure: Size of cybersecurity companies in California.** Six columns for the share of listed cybersecurity companies in California in each size range: 2-5K 53%, 5-10K 27%, 10-25K 20%, 25-50K 0%, 50-100K 0%, 100K+ 0%. *Share of listed cybersecurity companies in California in each size range.* ## More to explore Other industries in California: [Information technology and services](https://enrich.chat/companies-in/california/information-technology-and-services/)[Hospitals and health care](https://enrich.chat/companies-in/california/hospitals-and-health-care/)[Retail](https://enrich.chat/companies-in/california/retail/)[Entertainment](https://enrich.chat/companies-in/california/entertainment/)[Financial services](https://enrich.chat/companies-in/california/financial-services/)[Higher education](https://enrich.chat/companies-in/california/higher-education/)[Government administration](https://enrich.chat/companies-in/california/government-administration/)[Apparel and fashion](https://enrich.chat/companies-in/california/apparel-and-fashion/)[Medical devices](https://enrich.chat/companies-in/california/medical-devices/)[Research](https://enrich.chat/companies-in/california/research/)[All of California](https://enrich.chat/companies-in/california/) Computer and network security elsewhere: [United States](https://enrich.chat/companies-in/united-states/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 California? 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 California, with titles and verified work emails ``` ## Frequently asked questions ### Which cybersecurity companies are headquartered in California? They include Palo Alto Networks, Fortinet, CrowdStrike, Zscaler and Check Point Software Technologies. The page lists a selection with links to their profiles. ### What technology do cybersecurity companies in California use? Tools that stand out include Statuspage, Demandbase, Drift and Bizible (Adobe Marketo Measure). ### How big are cybersecurity companies in California? 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 California, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Software and technology services companies in California](https://enrich.chat/companies-in/california/information-technology-and-services/) - [Hospitals and health systems in California](https://enrich.chat/companies-in/california/hospitals-and-health-care/) - [Retailers in California](https://enrich.chat/companies-in/california/retail/) - [Entertainment companies in California](https://enrich.chat/companies-in/california/entertainment/) - [Cybersecurity companies in the United States](https://enrich.chat/companies-in/united-states/computer-and-network-security/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)