Licensed security companies in California
5,248 currently licensed · 576 not current · read September 14, 2026
These are California Department of Consumer Affairs, Bureau of Security and Investigative Services (BSIS) records for the Private Patrol Operator (PPO), as we read them on September 14, 2026. tessura did not issue or approve any of them, and most of these companies have no account with us. A company missing from this list is not necessarily unlicensed — check the regulator directly.
Check any record at the California Department of Consumer Affairs, Bureau of Security and Investigative Services (BSIS) lookup →Also checking the guards themselves? What they should hold in California →5,248 records
INNOVATIVE SECURITY SOLUTIONS
Private Patrol Operator 121274 · SAN JOSE · read September 14, 2026
Licensed
INNOVATIVE SECURITY TECHNOLOGIES AND AUTOMATION, INC.
Alarm Company Operator 8253 · SANGER · read September 14, 2026
Licensed
INSIGHT SECURITY SERVICES
Private Patrol Operator 122402 · TEMECULA · read September 14, 2026
Licensed
INSITE SECURITY, INC.
Private Patrol Operator 122212 · NEW YORK · read September 14, 2026
Licensed
INSPIRE SECURITY GUARD SERVICES
Private Patrol Operator 122644 · CORONA · read September 14, 2026
Licensed
INSTAGUARD INC
Private Patrol Operator 121500 · SHERMAN OAKS · read September 14, 2026
Licensed
INSTANT GUARDS INC.
Private Patrol Operator 122181 · GRANADA HILLS · read September 14, 2026
Licensed
INSUPERABLE PROTECTION SERVICES
Private Patrol Operator 122569 · VICTORVILLE · read September 14, 2026
Licensed
INTACT PROTECTIVE SERVICES
Private Patrol Operator 13773 · WATSONVILLE · read September 14, 2026
Licensed
INTEGRAL ASSOCIATES CA, LLC
Proprietary Private Security Officer Employer 1596 · CHICAGO · read September 14, 2026
Licensed
INTEGRATED ACCESS SECURITY / LOCKWORKS UNLIMITED
Alarm Company Operator 6299 · REDWOOD CITY · read September 14, 2026
Licensed
INTEGRATED ALARM TECHNOLOGIES INC
Alarm Company Operator 5879 · LA MESA · read September 14, 2026
Licensed
INTEGRATED ELECTRONICS
Alarm Company Operator 7045 · FRESNO · read September 14, 2026
Licensed
INTEGRATED MOUNTAIN ALARM, INC.
Alarm Company Operator 8286 · LAKE ARROWHEAD · read September 14, 2026
Licensed
INTEGRATED SECURITY PARTNERS INC.
Private Patrol Operator 121395 · AUBURN · read September 14, 2026
Licensed
INTEGRATED SECURITY SERVICES, INC.
Private Patrol Operator 16172 · SAN FRANCISCO · read September 14, 2026
Licensed
INTEGRATED TECH GROUP, LLC
Alarm Company Operator 7821 · HENDERSONVILLE · read September 14, 2026
Licensed
INTEGRATED TECHNOLOGIES INC
Alarm Company Operator 2841 · HUNTINGTON BEACH · read September 14, 2026
Licensed
INTEGRIS INC.
Private Patrol Operator 122451 · BREA · read September 14, 2026
Licensed
INTEGRITY SECURITY & INTEGRATED SYSTEMS INC
Alarm Company Operator 7927 · ATASCADERO · read September 14, 2026
Licensed
INTEGRITY SECURITY PATROL SERVICES
Private Patrol Operator 121128 · ONTARIO · read September 14, 2026
Licensed
INTELECOMP SERVICES
Alarm Company Operator 5371 · TARZANA · read September 14, 2026
Licensed
INTELL PROTECTIVE SERVICES
Private Patrol Operator 17914 · RIVERSIDE · read September 14, 2026
Licensed
INTELLIGENT ALARM COMPANY
Private Patrol Operator 122773 · SAN JOSE · read September 14, 2026
Licensed
INTELLIGENT ALARM COMPANY
Alarm Company Operator 8249 · SAN JOSE · read September 14, 2026
Licensed
INTELLIGUARD SECURITY
Alarm Company Operator 7053 · MODESTO · read September 14, 2026
Licensed
INTELLIGUARD SECURITY SOLUTIONS
Private Patrol Operator 122065 · OAKLAND · read September 14, 2026
Licensed
INTENSE SECURITY GROUP
Private Patrol Operator 122293 · MURRIETA · read September 14, 2026
Licensed
INTER CITY PUBLIC SAFETY
Private Patrol Operator 14956 · ALPINE · read September 14, 2026
Licensed
INTER-CON SECURITY SYSTEMS INC
Private Patrol Operator 6822 · PASADENA · read September 14, 2026
Licensed
INTERACCESS SYSTEMS
Alarm Company Operator 4274 · BERMUDA DUNES · read September 14, 2026
Licensed
INTERAGENCY RESPONSE
Private Patrol Operator 13133 · VAN NUYS · read September 14, 2026
Licensed
INTERCEPT SECURITY
Private Patrol Operator 17127 · SUTTER CREEK · read September 14, 2026
Licensed
INTERCITY SECURITY SYSTEMS
Alarm Company Operator 2384 · MURRIETA · read September 14, 2026
Licensed
INTERCOM CLOCK & SIGNAL SERVICE
Alarm Company Operator 5610 · RIVERSIDE · read September 14, 2026
Licensed
INTERFACE SECURITY SYSTEMS, LLC
Alarm Company Operator 7245 · EARTH CITY · read September 14, 2026
Licensed
INTERGUARD SECURE SOLUTIONS
Private Patrol Operator 121592 · FRESNO · read September 14, 2026
Licensed
INTERIM SECURITY CONCEPTS
Alarm Company Operator 7605 · OAKLEY · read September 14, 2026
Licensed
INTERIM SECURITY CONCEPTS
Private Patrol Operator 120197 · OAKLEY · read September 14, 2026
Licensed
INTERNATIONAL BODY GUARD ALLIANCE
Proprietary Private Security Officer Employer 1211 · MISSION VIEJO · read September 14, 2026
Licensed
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