5,788 security guard and private security companies in California, built from official state licensing data. Compare by city and request free quotes.
California is the largest private security market in the country. Security companies and their officers are licensed by the Bureau of Security and Investigative Services (BSIS): companies hold a Private Patrol Operator (PPO) license and officers a guard card. Demand spans corporate campuses in the Bay Area, entertainment and logistics in Greater Los Angeles, the Inland Empire's warehouse corridor, and agriculture and energy in the Central Valley.
Capital: Sacramento · West region.
New to hiring here? Read our guide to California security licensing — who regulates it, armed-guard and firearm rules, and how to verify a license yourself.
Browse the companies in each city across the state.
Hire by service type in Los Angeles and the state's main cities.
Ranked by license status, profile views and recommendations.
5,788 companies
1 CERBERUS SECURITY & PATROL
10-4 PATROL SERVICES
12"O"27 PROTECTIVE SERVICES, INC
1ST CLASS SECURITY & PATROL SERVICES
1ST SECURITY AND SOUND
1ST WATCH TECHNOLOGY SOLUTION, INC.
2001 SECURITY SYSTEM & ELECTRICAL WORKS
24 HR. TERRITORY PROTECTION AND PATROL SERVICES
333 SECURITY SERVICES INC
360 GROUP INTERNATIONAL, INC
365 PRO-MAX PRIVATE SECURITY
3RD EYE SECURITY & CONSULTING GROUP
5 STAR CONFIDENTIAL INVESTIGATIONS & CONSULTING, LLC.
7360 SECURITY LOGISTICS
8 SSPAIDER SECURITY, INC
Showing the top 48 of 5,788 companies in California. Browse by city above, or the full national directory.
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