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
MANCINI INTERNATIONAL INC.
Private Patrol Operator 16518 · BRENTWOOD · read September 14, 2026
Licensed
MANSUR VICTORY SECURITY
Private Patrol Operator 120022 · LOS ANGELES · read September 14, 2026
Licensed
MANZANITA SECURITY
Private Patrol Operator 122605 · SAN RAFAEL · read September 14, 2026
Licensed
MAR VISTA SAFETY AND PRIVATE SECURITY PATROL
Private Patrol Operator 122406 · TUSTIN · read September 14, 2026
Licensed
MARA SECURITY SOLUTIONS, INC.
Private Patrol Operator 17653 · GRANADA HILLS · read September 14, 2026
Licensed
MARAUDERS PROTECTION GROUP, INC.
Private Patrol Operator 121138 · CARLSBAD · read September 14, 2026
Licensed
MARIAN MEDICAL CENTER DBA DIGNITY HEALTH
Proprietary Private Security Officer Employer 20 · SANTA MARIA · read September 14, 2026
Licensed
MARIN GENERAL HOSPITAL DBA MARIN HEALTH MEDICAL CENTER
Proprietary Private Security Officer Employer 1766 · GREENBRAE · read September 14, 2026
Licensed
MARIN STREET ENTERPRISES, INC.
Proprietary Private Security Officer Employer 1604 · SAN FRANCISCO · read September 14, 2026
Licensed
MARINA SECURITY SERVICES, INC.
Private Patrol Operator 15655 · SAN FRANCISCO · read September 14, 2026
Licensed
MARINE SECURITY GUARD (MSG)
Private Patrol Operator 16970 · OCEANSIDE · read September 14, 2026
Licensed
MARINERS PATROL AND SECURITY
Private Patrol Operator 122817 · NEWPORT BEACH · read September 14, 2026
Licensed
MARINES PROTECTION SERVICES
Private Patrol Operator 15633 · ANAHEIM · read September 14, 2026
Licensed
MARIPOSA ALARM & VIDEO
Alarm Company Operator 6834 · CATHEYS VALLEY · read September 14, 2026
Licensed
MARK BROWN & ASSOCIATES INC
Alarm Company Operator 3048 · FONTANA · read September 14, 2026
Licensed
MARK TWAIN MEDICAL CENTER
Proprietary Private Security Officer Employer 1451 · SAN ANDREAS · read September 14, 2026
Licensed
MARKSMAN SECURITY
Alarm Company Operator 6045 · LOS ANGELES · read September 14, 2026
Licensed
MARLIN ACTION SECURITY INC
Private Patrol Operator 122731 · EL CAJON · read September 14, 2026
Licensed
MARLIN SECURITY SERVICES
Alarm Company Operator 5673 · CHATSWORTH · read September 14, 2026
Licensed
MARRIOTT HOTEL SERVICES, INC DBA JW MARRIOTT DESERT SPRINGS
Proprietary Private Security Officer Employer 1120 · PALM DESERT · read September 14, 2026
Licensed
MARRIOTT HOTEL SERVICES, INC. DBA NEWPORT BEACH MARRIOTT HOTEL &
Proprietary Private Security Officer Employer 152 · NEWPORT BEACH · read September 14, 2026
Licensed
MARRIOTT HOTEL SERVICES, LLC, DBA CORONADO ISLAND MARRIOTT RESORT & SPA
Proprietary Private Security Officer Employer 1700 · CORONADO · read September 14, 2026
Licensed
MARRIOTT RESORTS HOSPITALITY CORP. DBA MARRIOTT'S 2620 JONES STREET COMMERCIAL CONDOMINIUM ASSOCIATION
Proprietary Private Security Officer Employer 1713 · SAN FRANCISCO · read September 14, 2026
Licensed
MARSHALL B. KETCHUM UNIVERSITY CAMPUS SAFETY
Private Patrol Operator 122411 · FULLERTON · read September 14, 2026
Licensed
MARSHALL PROTECTION PRIVATE SECURITY INC
Private Patrol Operator 121997 · TURLOCK · read September 14, 2026
Licensed
MARSHALL'S PATROL
Private Patrol Operator 14638 · HILMAR · read September 14, 2026
Licensed
MARTIN SECURITY SYSTEMS, INC
Alarm Company Operator 6413 · SUSANVILLE · read September 14, 2026
Licensed
MARTINEZ PRIVATE SECURITY SERVICE
Private Patrol Operator 17546 · RICHGROVE · read September 14, 2026
Licensed
MARTINEZ PROTECTION AND PATROL SERVICES
Private Patrol Operator 17529 · VALLEJO · read September 14, 2026
Licensed
MARVINS MARY J
Proprietary Private Security Officer Employer 1646 · NEEDLES · read September 14, 2026
Licensed
MAS SECURITY SERVICES
Private Patrol Operator 122334 · INGLEWOOD · read September 14, 2026
Licensed
MASE SECURITY SERVICES
Private Patrol Operator 122432 · SACRAMENTO · read September 14, 2026
Licensed
MASON ANGEL SECURITY & STAFFING
Private Patrol Operator 120381 · COVINA · read September 14, 2026
Licensed
MASSIVE SECURITY, INC.
Private Patrol Operator 122620 · RIVERSIDE · read September 14, 2026
Licensed
MASTER GUARD SECURITY
Private Patrol Operator 120721 · CALABASAS · read September 14, 2026
Licensed
MASTER GUARD SECURITY
Private Patrol Operator 122646 · CALABASAS · read September 14, 2026
Licensed
MASTER LIGHTNING SECURITY SOLUTIONS
Private Patrol Operator 16977 · UPLAND · read September 14, 2026
Licensed
MASTER PRIVATE SECURITY
Private Patrol Operator 15249 · SANTA MARIA · read September 14, 2026
Licensed
MASTER TECH SECURITY
Alarm Company Operator 7885 · SAN BERNARDINO · read September 14, 2026
Licensed
MASTER'S PATROL PRIVATE SECURITY
Private Patrol Operator 15364 · WALNUT · read September 14, 2026
Licensed
Hiring guards in California?
Send one staffing request and it reaches the licensed companies covering your state. No account needed.
Request security staffing