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
MISSION PROTECTION SERVICES
Private Patrol Operator 16510 · MISSION VIEJO · read September 14, 2026
Licensed
MISSION PROTECTION SYSTEMS
Alarm Company Operator 7042 · OROVILLE · read September 14, 2026
Licensed
MISSION SECURITY & PATROL
Private Patrol Operator 13845 · SANTA BARBARA · read September 14, 2026
Licensed
MISSION SECURITY SYSTEMS INC
Alarm Company Operator 1297 · SAN JOSE · read September 14, 2026
Licensed
MITCHELL GROUP PRIVATE SECURITY FIRM
Private Patrol Operator 121710 · SAN FRANCISCO · read September 14, 2026
Licensed
MITCHELL SECURITY INC
Alarm Company Operator 6832 · BAKERSFIELD · read September 14, 2026
Licensed
MIXDOWNTOWN
Proprietary Private Security Officer Employer 844 · SACRAMENTO · read September 14, 2026
Licensed
MJAZ PRIVATE SECURITY GUARD
Private Patrol Operator 122579 · WINNETKA · read September 14, 2026
Licensed
MJF & ASSOCIATES CONSULTING
Private Patrol Operator 17207 · SAN FRANCISCO · read September 14, 2026
Licensed
MJM COMMUNICATIONS & FIRE, INC
Alarm Company Operator 6407 · HUNTINGTON BEACH · read September 14, 2026
Licensed
MJN INVESTIGATIONS
Private Patrol Operator 120260 · NEWCASTLE · read September 14, 2026
Licensed
MM PRIVATE SECURITY INC
Private Patrol Operator 122446 · VALENCIA · read September 14, 2026
Licensed
MMR TECH
Alarm Company Operator 7797 · UNION CITY · read September 14, 2026
Licensed
MOBILGUARD SECURITY SERVICES
Private Patrol Operator 121614 · IRVINE · read September 14, 2026
Licensed
MOCA HUMBOLDT
Proprietary Private Security Officer Employer 1511 · ARCATA · read September 14, 2026
Licensed
MODERN DEVELOPMENT COMPANY
Proprietary Private Security Officer Employer 349 · PARAMOUNT · read September 14, 2026
Licensed
MODERN PROTECTION
Private Patrol Operator 15797 · LONG BEACH · read September 14, 2026
Licensed
MODWAY PROTECTION SERVICES
Private Patrol Operator 122761 · RIVERBANK · read September 14, 2026
Licensed
MOHFAM SECURITY
Private Patrol Operator 122723 · SANTA CLARITA · read September 14, 2026
Licensed
MOLINARI ALARM
Alarm Company Operator 8248 · SONORA · read September 14, 2026
Licensed
MOM GO LLC
Proprietary Private Security Officer Employer 1572 · GOLETA · read September 14, 2026
Licensed
MOM SLO LLC
Proprietary Private Security Officer Employer 1622 · SAN LUIS OBISPO · read September 14, 2026
Licensed
MONARCH NUT COMPANY / MUNGER FARMS
Proprietary Private Security Officer Employer 471 · DELANO · read September 14, 2026
Licensed
MONARCH PRIVATE SECURITY
Private Patrol Operator 14122 · HUNTINGTON BEACH · read September 14, 2026
Licensed
MONDRAGON QUALITY PROTECTION
Private Patrol Operator 17794 · LOS ANGELES · read September 14, 2026
Licensed
MONITOR SECURITY SYSTEMS INC
Alarm Company Operator 2928 · HUNTINGTON BEACH · read September 14, 2026
Licensed
MONITORING AMERICA, INC.
Alarm Company Operator 7559 · NORTH HILLS · read September 14, 2026
Licensed
MONSTER ENERGY COMPANY
Private Patrol Operator 121269 · CORONA · read September 14, 2026
Licensed
MONTANO & ASSOC INTERNATIONAL INVEST.
Private Patrol Operator 8161 · WALNUT CREEK · read September 14, 2026
Licensed
MONTANO SECURITY
Private Patrol Operator 120209 · LOS ANGELES · read September 14, 2026
Licensed
MONTEREY BAY AQUARIUM
Proprietary Private Security Officer Employer 84 · MONTEREY · read September 14, 2026
Licensed
MONTRO PROTECTION SERVICES INC.
Private Patrol Operator 122523 · WESTLAKE VILLAGE · read September 14, 2026
Licensed
MONUMENTAL SECURITY SERVICES
Private Patrol Operator 122584 · NORCO · read September 14, 2026
Licensed
MOONLIGHT SECURITY SERVICES
Private Patrol Operator 16262 · FONTANA · read September 14, 2026
Licensed
MOORE PROTECTION
Alarm Company Operator 5965 · REDONDO BEACH · read September 14, 2026
Licensed
MOOSE-GTD, LLC
Proprietary Private Security Officer Employer 1571 · SAN DIEGO · read September 14, 2026
Licensed
MORAN SECURITY
Alarm Company Operator 3627 · HUNTINGTON PARK · read September 14, 2026
Licensed
MORENO VALLEY MALL HOLDING LLC
Proprietary Private Security Officer Employer 1049 · MORENO VALLEY · read September 14, 2026
Licensed
MOROCCAN LOUNGE
Proprietary Private Security Officer Employer 1421 · LOS ANGELES · read September 14, 2026
Licensed
MORRIS ALARM SYSTEMS
Alarm Company Operator 2259 · OXNARD · read September 14, 2026
Licensed
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