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
ACME SYSTEMS INC DBA ADVANCED HOMES
Alarm Company Operator 7134 · TARZANA · read September 14, 2026
Licensed
ACME VALLEY SECURITY SERVICES, INC.
Alarm Company Operator 7229 · VAN NUYS · read September 14, 2026
Licensed
ACS SECURITY INC
Alarm Company Operator 7315 · CHATSWORTH · read September 14, 2026
Licensed
ACS SECURITY INC.
Private Patrol Operator 121361 · TULSA · read September 14, 2026
Licensed
ACT PRIVATE SECURITY & INVESTIGATIONS, INC.
Private Patrol Operator 122527 · LOS BANOS · read September 14, 2026
Licensed
ACTION ALARMS
Alarm Company Operator 3610 · SAN LORENZO · read September 14, 2026
Licensed
ACTION SECURITY SERVICE, INC.
Private Patrol Operator 121602 · MODESTO · read September 14, 2026
Licensed
ACTIVE DUTY PRIVATE SECURITY INC
Private Patrol Operator 18020 · LOS ANGELES · read September 14, 2026
Licensed
ACTIVE GLOBAL PROTECTION, INC.
Private Patrol Operator 121802 · TORRANCE · read September 14, 2026
Licensed
ACTIVE PROTECTION SERVICES
Private Patrol Operator 15351 · SAN DIEGO · read September 14, 2026
Licensed
ACTIVE SECURITY SERVICES
Private Patrol Operator 121172 · IRVINE · read September 14, 2026
Licensed
ACTIVE SECURITY SOLUTIONS
Private Patrol Operator 14070 · HAWTHORNE · read September 14, 2026
Licensed
ACTIVE SECURITY SYSTEMS
Alarm Company Operator 7216 · IRVINE · read September 14, 2026
Licensed
ACTIVE SYSTEMS, INC.
Alarm Company Operator 8102 · CAPISTRANO BEACH · read September 14, 2026
Licensed
ACTS AIRPORT SERVICES, INC.
Private Patrol Operator 120730 · PALM DESERT · read September 14, 2026
Licensed
ACUMEN SECURITY SERVICES
Private Patrol Operator 121693 · EASTVALE · read September 14, 2026
Licensed
ACUNA GUARD PATROL SERVICES
Private Patrol Operator 122276 · LOS ANGELES · read September 14, 2026
Licensed
AD DAVIS ENTERTAINMENT GROUP, INC.
Private Patrol Operator 121502 · RIVERSIDE · read September 14, 2026
Licensed
AD GUARD MANAGEMENT INC
Private Patrol Operator 122758 · CORONA · read September 14, 2026
Licensed
ADACTUM
Private Patrol Operator 122112 · LOS ANGELES · read September 14, 2026
Licensed
ADATTO SECURITY & COMMUNICATIONS
Alarm Company Operator 7578 · FREMONT · read September 14, 2026
Licensed
ADC LTD NM
Private Patrol Operator 122033 · ALBUQUERQUE · read September 14, 2026
Licensed
ADD GUARD SERVICES
Private Patrol Operator 122372 · RESEDA · read September 14, 2026
Licensed
ADDAX ELECTRIC,INC
Alarm Company Operator 7310 · EL CAJON · read September 14, 2026
Licensed
ADDICTION RESEARCH AND TREATMENT, INC.
Proprietary Private Security Officer Employer 959 · FRESNO · read September 14, 2026
Licensed
ADDICTION RESEARCH AND TREATMENT, INC.
Proprietary Private Security Officer Employer 972 · PORTERVILLE · read September 14, 2026
Licensed
ADDICTION RESEARCH AND TREATMENT, INC.
Proprietary Private Security Officer Employer 976 · ANTIOCH · read September 14, 2026
Licensed
ADDICTION RESEARCH AND TREATMENT, INC.
Proprietary Private Security Officer Employer 956 · SAN FRANCISCO · read September 14, 2026
Licensed
ADDICTION RESEARCH AND TREATMENT, INC.
Proprietary Private Security Officer Employer 957 · LA PUENTE · read September 14, 2026
Licensed
ADDICTION RESEARCH AND TREATMENT, INC.
Proprietary Private Security Officer Employer 970 · RICHMOND · read September 14, 2026
Licensed
ADDICTION RESEARCH AND TREATMENT, INC.
Proprietary Private Security Officer Employer 964 · FRESNO · read September 14, 2026
Licensed
ADDICTION RESEARCH AND TREATMENT, INC.
Proprietary Private Security Officer Employer 954 · LOS ANGELES · read September 14, 2026
Licensed
ADDICTION RESEARCH AND TREATMENT, INC.
Proprietary Private Security Officer Employer 960 · LOS ANGELES · read September 14, 2026
Licensed
ADDICTION RESEARCH AND TREATMENT, INC.
Proprietary Private Security Officer Employer 967 · SAN FRANCISCO · read September 14, 2026
Licensed
ADDICTION RESEARCH AND TREATMENT, INC.
Proprietary Private Security Officer Employer 968 · OAKLAND · read September 14, 2026
Licensed
ADDICTION RESEARCH AND TREATMENT, INC.
Proprietary Private Security Officer Employer 966 · VISALIA · read September 14, 2026
Licensed
ADDICTION RESEARCH AND TREATMENT, INC.
Proprietary Private Security Officer Employer 969 · LYNWOOD · read September 14, 2026
Licensed
ADDITIONAL TECHNOLOGY SECURITY INC DBA U.S. ALARMS
Alarm Company Operator 5710 · FREMONT · read September 14, 2026
Licensed
ADF PROTECTION SERVICES
Private Patrol Operator 120361 · MODESTO · read September 14, 2026
Licensed
ADF SECURITY SERVICES
Private Patrol Operator 121233 · EL CAJON · read September 14, 2026
Licensed
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