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
ADROIT PRIVATE SECURITY
Private Patrol Operator 119848 · WOODLAND HILLS · read September 14, 2026
Licensed
ADS (AMERICAN DEPENDABLE SECURITY)
Private Patrol Operator 121266 · FREMONT · read September 14, 2026
Licensed
ADS SECURITY SERVICES
Alarm Company Operator 6182 · FRESNO · read September 14, 2026
Licensed
ADT LLC DBA ADT SECURITY SERVICES
Alarm Company Operator 7155 · BOCA RATON · read September 14, 2026
Licensed
ADVANCE ALARM
Alarm Company Operator 3605 · EL MONTE · read September 14, 2026
Licensed
ADVANCE SOUND & ELECTRONICS
Alarm Company Operator 3879 · SACRAMENTO · read September 14, 2026
Licensed
ADVANCED ALARM & FIRE, INC.
Alarm Company Operator 7879 · SANTA FE SPRINGS · read September 14, 2026
Licensed
ADVANCED ALARMS INC
Alarm Company Operator 7767 · YUCAIPA · read September 14, 2026
Licensed
ADVANCED CABLE SOLUTIONS, INC.
Alarm Company Operator 7983 · VALENCIA · read September 14, 2026
Licensed
ADVANCED DETECTION SYSTEMS INC.
Alarm Company Operator 7332 · CARLSBAD · read September 14, 2026
Licensed
ADVANCED ELECTRONIC SECURITY SYSTEMS
Alarm Company Operator 4286 · CLEARLAKE · read September 14, 2026
Licensed
ADVANCED HOME CONNECT LLC
Alarm Company Operator 7610 · PALM DESERT · read September 14, 2026
Licensed
ADVANCED INTEGRATION MANAGEMENT, LLC
Alarm Company Operator 7961 · LONG BEACH · read September 14, 2026
Licensed
ADVANCED INTERIOR ELECTRONICS CALIFORNIA CORPORATION
Alarm Company Operator 7809 · PHOENIX · read September 14, 2026
Licensed
ADVANCED MONITORING, INC.
Alarm Company Operator 7765 · ONTARIO · read September 14, 2026
Licensed
ADVANCED PATROL SECURITY SERVICE INC.
Private Patrol Operator 120434 · MORENO VALLEY · read September 14, 2026
Licensed
ADVANCED PROTECTION INDUSTRIES, LLC DBA NATIONAL MONITORING CENTER
Alarm Company Operator 7829 · LAKE FOREST · read September 14, 2026
Licensed
ADVANCED PROTECTION SERVICES
Private Patrol Operator 120847 · PARAMOUNT · read September 14, 2026
Licensed
ADVANCED SAFEGUARD SOLUTIONS, INC.
Private Patrol Operator 122054 · SANTA FE SPRINGS · read September 14, 2026
Licensed
ADVANCED SECURITY CONCEPTS, INC.
Private Patrol Operator 120492 · VAN NUYS · read September 14, 2026
Licensed
ADVANCED SECURITY ENGINEERING
Alarm Company Operator 6831 · DUBLIN · read September 14, 2026
Licensed
ADVANCED SECURITY SYSTEMS
Alarm Company Operator 2883 · EUREKA · read September 14, 2026
Licensed
ADVANCED SECURITY SYSTEMS INC.
Alarm Company Operator 8030 · MORENO VALLEY · read September 14, 2026
Licensed
ADVANCED SECURITY TECH INC
Alarm Company Operator 3480 · VENTURA · read September 14, 2026
Licensed
ADVANCED TACTICAL ASSET CONTROL
Private Patrol Operator 121419 · MERCED · read September 14, 2026
Licensed
ADVANCED TACTICAL SERVICES
Private Patrol Operator 121313 · WOODLAND HILLS · read September 14, 2026
Licensed
ADVANCED VOICE & DATA INC
Alarm Company Operator 5985 · CONCORD · read September 14, 2026
Licensed
ADVANTAGE SECURITY INC
Alarm Company Operator 4203 · SAN DIEGO · read September 14, 2026
Licensed
ADVANTAGE SECURITY PLUS INC
Alarm Company Operator 7256 · MANTECA · read September 14, 2026
Licensed
ADVANTAGE SECURITY TECHNOLOGIES
Alarm Company Operator 7085 · CASTRO VALLEY · read September 14, 2026
Licensed
ADVANTAGE SENTRY AND PROTECTION
Private Patrol Operator 121905 · CHULA VISTA · read September 14, 2026
Licensed
ADVANTAGE TOTAL PROTECTION, INC.
Alarm Company Operator 6882 · WALNUT GROVE · read September 14, 2026
Licensed
AECO SYSTEMS, INC.
Alarm Company Operator 8227 · HAYWARD · read September 14, 2026
Licensed
AECON GLOBAL SECURITY
Private Patrol Operator 122712 · RESEDA · read September 14, 2026
Licensed
AEG MANAGEMENT LACC, LLC LOS ANGELES CONVENTION CENTER
Proprietary Private Security Officer Employer 1400 · LOS ANGELES · read September 14, 2026
Licensed
AEG MANAGEMENT OAKLAND, LLC
Proprietary Private Security Officer Employer 661 · LOS ANGELES · read September 14, 2026
Licensed
AEGIS SECURITY & INVESTIGIATIONS INC.
Private Patrol Operator 16744 · CULVER CITY · read September 14, 2026
Licensed
AEGS EAGLE GUARD SERVICES, INC.
Private Patrol Operator 121908 · VALENCIA · read September 14, 2026
Licensed
AENLLE PROTECTIVE AND INVESTIGATIVE SERVICES
Private Patrol Operator 121257 · BURLINGAME · read September 14, 2026
Licensed
AEPS CORPORATION
Private Patrol Operator 120380 · AUSTIN · read September 14, 2026
Licensed
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