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
ARTEMIS SECURITY
Private Patrol Operator 121472 · CORONA · read September 14, 2026
Licensed
ARTICHOKE JOE'S
Proprietary Private Security Officer Employer 1304 · SAN BRUNO · read September 14, 2026
Licensed
ARTISAN ELECTRONIC SYSTEMS
Alarm Company Operator 8254 · NEWBURY PARK · read September 14, 2026
Licensed
ARVIN'S QUALITY HOME SYSTEMS
Alarm Company Operator 4167 · MANTECA · read September 14, 2026
Licensed
ASA SECURITY ALARM
Alarm Company Operator 1787 · WESTMINSTER · read September 14, 2026
Licensed
ASAP ADVANCED SECURITY AND PROTECTION INC.
Alarm Company Operator 7611 · CHINO · read September 14, 2026
Licensed
ASAP SECURITY
Private Patrol Operator 120273 · SAN DIEGO · read September 14, 2026
Licensed
ASC PRIVATE SECURITY
Private Patrol Operator 121458 · ENCINO · read September 14, 2026
Licensed
ASC PROTECTION, INC.
Private Patrol Operator 120347 · VAN NUYS · read September 14, 2026
Licensed
ASCENSION SECURITY & DEFENSE CORP.
Private Patrol Operator 122445 · RANCHO CORDOVA · read September 14, 2026
Licensed
ASCENT SUPPLY COMPANY, LLC
Proprietary Private Security Officer Employer 1610 · MAMMOTH LAKES · read September 14, 2026
Licensed
ASEC CA, LLC
Proprietary Private Security Officer Employer 1815 · EL SEGUNDO · read September 14, 2026
Licensed
ASER CITYWIDE PROTECTION
Private Patrol Operator 16256 · ANAHEIM · read September 14, 2026
Licensed
ASHAL SECURITY INC
Private Patrol Operator 121814 · RESEDA · read September 14, 2026
Licensed
ASI ALARMS
Alarm Company Operator 4231 · CONCORD · read September 14, 2026
Licensed
ASI SYSTEMS, INC.
Alarm Company Operator 6981 · MARTINEZ · read September 14, 2026
Licensed
ASKARI SECURITY SERVICES, INC.
Private Patrol Operator 17831 · LOS ANGELES · read September 14, 2026
Licensed
ASM GLOBAL, LLC
Proprietary Private Security Officer Employer 1475 · SAN FRANCISCO · read September 14, 2026
Licensed
ASN SECURITY SPECIALISTS
Private Patrol Operator 121338 · SALINAS · read September 14, 2026
Licensed
ASP SECURITY SERVICES
Private Patrol Operator 18031 · REDLANDS · read September 14, 2026
Licensed
ASPEN TECHNICAL ALARMS, INC
Alarm Company Operator 6316 · FOUNTAIN VALLEY · read September 14, 2026
Licensed
ASPIRE PROTECTIVE SERVICES
Private Patrol Operator 121989 · SAN FRANCISCO · read September 14, 2026
Licensed
ASPIS SOLUTIONS
Private Patrol Operator 122222 · LOS ANGELES · read September 14, 2026
Licensed
ASRA PROTECTION SERVICES
Private Patrol Operator 16435 · CHOWCHILLA · read September 14, 2026
Licensed
ASSERTIVE PROTECTIVE SERVICE
Private Patrol Operator 17655 · WOODBRIDGE · read September 14, 2026
Licensed
ASSERTIVE SECURITY SERVICES & CONSULTING GROUP, INC.
Private Patrol Operator 16736 · CHATSWORTH · read September 14, 2026
Licensed
ASSERTIVE WEST SECURITY SERVICES
Private Patrol Operator 120230 · COMMERCE · read September 14, 2026
Licensed
ASSET ASSURANCE COMPANY THE
Private Patrol Operator 10219 · SAN JOSE · read September 14, 2026
Licensed
ASSET PRIVATE SECURITY INC.
Private Patrol Operator 17721 · SALINAS · read September 14, 2026
Licensed
ASSET PROTECTION GROUP PRIVATE SECURITY, INC.
Private Patrol Operator 120783 · SAN JOSE · read September 14, 2026
Licensed
ASSET SECURITY SERVICES L.P.
Private Patrol Operator 15252 · CORPUS CHRISTI · read September 14, 2026
Licensed
ASSETS PROTECTION AND INVESTIGATIONS
Private Patrol Operator 16589 · TURLOCK · read September 14, 2026
Licensed
ASSI SECURITY INC
Alarm Company Operator 4213 · IRVINE · read September 14, 2026
Licensed
ASSOCIATED ELECTRIC & SECURITY INC.
Alarm Company Operator 7890 · SOUTH SAN FRANCISCO · read September 14, 2026
Licensed
ASSOCIATED SECURITY ALARM CO.
Alarm Company Operator 5646 · SOUTH SAN FRANCISCO · read September 14, 2026
Licensed
ASSURANCE GUARDS & PATROL, INC
Private Patrol Operator 120685 · IRVINE · read September 14, 2026
Licensed
ASSURANCE SECURITY
Private Patrol Operator 120055 · FOLSOM · read September 14, 2026
Licensed
ASSURE MSP, INC.
Alarm Company Operator 8186 · PLEASANTON · read September 14, 2026
Licensed
ASSURED ALLIANCE PROTECTION GROUP INC.
Private Patrol Operator 120562 · SAN MARINO · read September 14, 2026
Licensed
ASSURITY SECURE LLC
Alarm Company Operator 8192 · NEW YORK · read September 14, 2026
Licensed
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