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
MD SECURITY
Private Patrol Operator 15173 · TURLOCK · read September 14, 2026
Licensed
MD SECURITY & PATROL
Private Patrol Operator 120405 · GLENDALE · read September 14, 2026
Licensed
MD SECURITY AND INTEGRATION
Alarm Company Operator 6982 · INDIO · read September 14, 2026
Licensed
MEADUS PROTECTION GROUP
Private Patrol Operator 122417 · SAN BRUNO · read September 14, 2026
Licensed
MEAWAY SECURITY SERVICES, INC.
Private Patrol Operator 119830 · LOS ANGELES · read September 14, 2026
Licensed
MEDALLION PROTECTIVE SERVICES, INC.
Private Patrol Operator 120875 · OXNARD · read September 14, 2026
Licensed
MEDMARK TREATMENT CENTERS- FAIRFIELD, INC.
Proprietary Private Security Officer Employer 955 · FAIRFIELD · read September 14, 2026
Licensed
MEDMARK TREATMENT CENTERS- FRESNO WEST, INC.
Proprietary Private Security Officer Employer 949 · FRESNO · read September 14, 2026
Licensed
MEDMARK TREATMENT CENTERS- SACRAMENTO, INC.
Proprietary Private Security Officer Employer 947 · SACRAMENTO · read September 14, 2026
Licensed
MEDMARK TREATMENT CENTERS- STOCKTON, INC.
Proprietary Private Security Officer Employer 961 · STOCKTON · read September 14, 2026
Licensed
MEGACONTROL SECURITY SERVICES
Private Patrol Operator 122031 · DOWNEY · read September 14, 2026
Licensed
MEGAGUARD SECURITY
Private Patrol Operator 122154 · PASADENA · read September 14, 2026
Licensed
MELALEUCA SECURITY, INC.
Alarm Company Operator 6823 · IDAHO FALLS · read September 14, 2026
Licensed
MEMBERS IN BLACK PRIVATE SECURITY / MIB
Private Patrol Operator 119856 · EL DORADO HILLS · read September 14, 2026
Licensed
MENDOZA PRIVATE SECURITY, INC
Private Patrol Operator 122654 · NAPA · read September 14, 2026
Licensed
MERC SECURITY, INC.
Private Patrol Operator 121888 · LOS ANGELES · read September 14, 2026
Licensed
MERCED ALARM COMPANY
Alarm Company Operator 4424 · ATWATER · read September 14, 2026
Licensed
MERCY GENERAL HOSPITAL DBA DIGNITY HEALTH
Proprietary Private Security Officer Employer 19 · SACRAMENTO · read September 14, 2026
Licensed
MERCY HOSPITAL OF FOLSOM DBA DIGNITY HEALTH
Proprietary Private Security Officer Employer 18 · FOLSOM · read September 14, 2026
Licensed
MERCY MEDICAL CENTER MERCED DBA DIGNITY HEALTH
Proprietary Private Security Officer Employer 24 · MERCED · read September 14, 2026
Licensed
MERCY MEDICAL CENTER REDDING DBA DIGNITY HEALTH
Proprietary Private Security Officer Employer 17 · REDDING · read September 14, 2026
Licensed
MERCY SAN JUAN MEDICAL CENTER
Proprietary Private Security Officer Employer 516 · CARMICHAEL · read September 14, 2026
Licensed
MERCY WELLNESS OF COTATI
Proprietary Private Security Officer Employer 1637 · COTATI · read September 14, 2026
Licensed
MERIDIAN CAMERA LLC
Alarm Company Operator 8044 · SACRAMENTO · read September 14, 2026
Licensed
MERIDIAN SECURITY GROUP
Private Patrol Operator 121950 · BURBANK · read September 14, 2026
Licensed
MERITUS SOLUTIONS GROUP INC.
Private Patrol Operator 122581 · TITUSVILLE · read September 14, 2026
Licensed
MERJAN ENTERPRISES, INC. DBA SOV SECURITY
Alarm Company Operator 7660 · AGOURA HILLS · read September 14, 2026
Licensed
MESSINA ELECTRONICS SUPPORT SERVICES
Alarm Company Operator 7971 · EUREKA · read September 14, 2026
Licensed
META FORCE
Private Patrol Operator 121873 · SAN DIEGO · read September 14, 2026
Licensed
META GUARD SECURITY INC
Private Patrol Operator 122045 · CHATSWORTH · read September 14, 2026
Licensed
META SECURITY SERVICES INC
Private Patrol Operator 122489 · read September 14, 2026
Licensed
METCALFE SECURITY, INC.
Private Patrol Operator 18043 · ROSSMOOR · read September 14, 2026
Licensed
METER HEIGHTS SECURITY INC.
Private Patrol Operator 122543 · LOS ANGELES · read September 14, 2026
Licensed
METRO FIRE SYSTEMS, INC
Alarm Company Operator 6729 · CHATSWORTH · read September 14, 2026
Licensed
METRO ONE LOSS PREVENTION SERVICES GROUP (WEST COAST), INC
Private Patrol Operator 119962 · STATEN ISLAND · read September 14, 2026
Licensed
METRO PATROL SERVICES
Private Patrol Operator 16477 · SOUTH EL MONTE · read September 14, 2026
Licensed
METRO PROTECTION SERVICES
Private Patrol Operator 120035 · STOCKTON · read September 14, 2026
Licensed
METRO SECURITY SERVICES
Alarm Company Operator 3567 · EL CERRITO · read September 14, 2026
Licensed
METRO SECURITY SERVICES
Private Patrol Operator 121255 · PLEASANTON · read September 14, 2026
Licensed
METROPOLE SECURITY SERVICES, INC.
Private Patrol Operator 15313 · GLENDALE · read September 14, 2026
Licensed
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