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
MASTERS EXECUTIVE SECURITY SERVICES, INC.
Private Patrol Operator 121116 · VAN NUYS · read September 14, 2026
Licensed
MASTERS SECURITY GROUP, INC.
Private Patrol Operator 121599 · SANTA ANA · read September 14, 2026
Licensed
MATADOR RISK MANAGEMENT INC
Private Patrol Operator 119915 · SOUTH SAN FRANCISCO · read September 14, 2026
Licensed
MATADOR SECURITY COMPANY INC.
Private Patrol Operator 17738 · PALM DESERT · read September 14, 2026
Licensed
MATAS SECURITY
Private Patrol Operator 122664 · HESPERIA · read September 14, 2026
Licensed
MATCAL INTERNATIONAL SECURITY SERVICES
Private Patrol Operator 15653 · ROLLING HILLS ESTATE · read September 14, 2026
Licensed
MATCH GROUP, LLC
Proprietary Private Security Officer Employer 1445 · WEST HOLLYWOOD · read September 14, 2026
Licensed
MATCHBOX K LLC
Proprietary Private Security Officer Employer 1772 · ROCKLIN · read September 14, 2026
Licensed
MATRIX SECURITY, INC.
Alarm Company Operator 8006 · SIMI VALLEY · read September 14, 2026
Licensed
MATSON ALARM CO
Alarm Company Operator 538 · FRESNO · read September 14, 2026
Licensed
MATSON ALARM CO INC
Alarm Company Operator 3190 · FRESNO · read September 14, 2026
Licensed
MATSON ALARM CO., INC.
Private Patrol Operator 14968 · FRESNO · read September 14, 2026
Licensed
MATT'S STAFFING INC
Private Patrol Operator 18010 · SAN PEDRO · read September 14, 2026
Licensed
MAVERICK PROTECTION SOLUTIONS
Private Patrol Operator 120657 · SAN CLEMENTE · read September 14, 2026
Licensed
MAVERICKS BEACH CLUB
Proprietary Private Security Officer Employer 1045 · SAN DIEGO · read September 14, 2026
Licensed
MAXIM SECURITY SYSTEM INC
Alarm Company Operator 7078 · CORONA · read September 14, 2026
Licensed
MAXIMUM PROTECTION, INC.
Alarm Company Operator 6213 · MARTINEZ · read September 14, 2026
Licensed
MAXIMUM SECURITY
Alarm Company Operator 7524 · WEST HILLS · read September 14, 2026
Licensed
MAXIMUM SECURITY ALARM SYSTEMS
Alarm Company Operator 4419 · LAGUNA HILLS · read September 14, 2026
Licensed
MAXIMUM SECURITY SYSTEMS
Alarm Company Operator 5568 · OROVILLE · read September 14, 2026
Licensed
MAXIMUM SECURITY SYSTEMS
Alarm Company Operator 6208 · SHERMAN OAKS · read September 14, 2026
Licensed
MAXPRO SAFE AND SECURE
Private Patrol Operator 121379 · SAN DIEGO · read September 14, 2026
Licensed
MAXSECURITY SYSTEMS
Alarm Company Operator 6184 · VAN NUYS · read September 14, 2026
Licensed
MAXSYSTEMS, INC.
Alarm Company Operator 8241 · VAN NUYS · read September 14, 2026
Licensed
MAXWELL SECURITY SERVICES
Private Patrol Operator 14653 · VALENCIA · read September 14, 2026
Licensed
MAXXUM SECURITY
Private Patrol Operator 11298 · LAKE ELSINORE · read September 14, 2026
Licensed
MAYLON SECURITY
Private Patrol Operator 122754 · CANOGA PARK · read September 14, 2026
Licensed
MAYS PATROL SECURITY
Private Patrol Operator 121606 · LOS ANGELES · read September 14, 2026
Licensed
MAZAR CORP
Private Patrol Operator 16711 · UPLAND · read September 14, 2026
Licensed
MB PRIVATE SECURITY SERVICES
Private Patrol Operator 120406 · BELL · read September 14, 2026
Licensed
MBACAL SECURITY & INVESTIGATIONS
Private Patrol Operator 122308 · SAN BERNARDINO · read September 14, 2026
Licensed
MBSC GROUP INC.
Private Patrol Operator 120959 · SANTA CLARITA · read September 14, 2026
Licensed
MBW PRIVATE SECURITY
Private Patrol Operator 16642 · COMPTON · read September 14, 2026
Licensed
MCCRAY GLOBAL PROTECTION CORP.
Private Patrol Operator 121593 · LOS ANGELES · read September 14, 2026
Licensed
MCGILL'S SECURITY & K9 PATROL SERVICE INC.
Private Patrol Operator 120247 · SAN FRANCISCO · read September 14, 2026
Licensed
MCINTOSH PRIVATE INVESTIGATIONS AND EXECUTIVE PROTECTION
Private Patrol Operator 119904 · EL DORADO HILLS · read September 14, 2026
Licensed
MCK PRIVATE SECURITY
Private Patrol Operator 122439 · MONTEREY PARK · read September 14, 2026
Licensed
MCM INTEGRATED SYSTEMS, INC.
Alarm Company Operator 7615 · VAN NUYS · read September 14, 2026
Licensed
MCMILLAN SECURITY SYSTEMS
Alarm Company Operator 5702 · SAN FRANCISCO · read September 14, 2026
Licensed
MCSA PRIVATE SECURITY
Private Patrol Operator 121666 · VISALIA · read September 14, 2026
Licensed
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