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
NANPOR SECURITY SERVICES
Private Patrol Operator 15189 · OCEANSIDE · read September 14, 2026
Licensed
NAPA VALLEY SECURITY SYSTEMS
Alarm Company Operator 8184 · NAPA · read September 14, 2026
Licensed
NAPARC, INC.
Proprietary Private Security Officer Employer 1546 · SANTA ROSA · read September 14, 2026
Licensed
NASTEC INTERNATIONAL SEC & INV
Private Patrol Operator 11103 · AGOURA HILLS · read September 14, 2026
Licensed
NATHAN SECURITY SERVICE
Private Patrol Operator 16618 · SIMI VALLEY · read September 14, 2026
Licensed
NATHANIEL BASOLA SOBAYO SECURITY SERVICES
Private Patrol Operator 120418 · SUNNYVALE · read September 14, 2026
Licensed
NATION PROTECTION PRIVATE SECURITY, INC.
Private Patrol Operator 15473 · WINNETKA · read September 14, 2026
Licensed
NATION WIDE SECURITY SERVICES INC.
Private Patrol Operator 119796 · MONTCLAIR · read September 14, 2026
Licensed
NATIONAL 50 SECURITY SERVICES
Private Patrol Operator 15615 · TORRANCE · read September 14, 2026
Licensed
NATIONAL ALARM COMPANY, INC.
Alarm Company Operator 6032 · STANTON · read September 14, 2026
Licensed
NATIONAL BUSINESS INFORMATION ENTERPRISES
Proprietary Private Security Officer Employer 1661 · LONG BEACH · read September 14, 2026
Licensed
NATIONAL CENTER FOR INTERNATIONAL SCHOOLS
Proprietary Private Security Officer Employer 651 · SAN FRANCISCO · read September 14, 2026
Licensed
NATIONAL EAGLE SECURITY, INC.
Private Patrol Operator 121075 · LOS ANGELES · read September 14, 2026
Licensed
NATIONAL SECURITY INDUSTRIES AND SERVICES
Private Patrol Operator 13103 · RANCHO CORDOVA · read September 14, 2026
Licensed
NATIONAL SECURITY PROTECTIVE SERVICES
Private Patrol Operator 16580 · SANTA CRUZ · read September 14, 2026
Licensed
NATIONAL SECURITY SERVICES
Private Patrol Operator 120442 · TRACY · read September 14, 2026
Licensed
NATIONAL SECURITY WORKS, INC.
Alarm Company Operator 6116 · SAN DIEGO · read September 14, 2026
Licensed
NATIONAL SENTINEL GROUP
Private Patrol Operator 121168 · SANTA ANA · read September 14, 2026
Licensed
NATIONAL UNION SECURITY SERVICES
Private Patrol Operator 120672 · SACRAMENTO · read September 14, 2026
Licensed
NATIONWIDE DIGITAL MONITORING CO., INC.
Alarm Company Operator 6759 · FREEPORT · read September 14, 2026
Licensed
NATIONWIDE GUARD SERVICES
Private Patrol Operator 17430 · RANCHO CUCAMONGA · read September 14, 2026
Licensed
NATIONWIDE PROFESSIONAL SECURITY CONSULTANTS, CORP
Proprietary Private Security Officer Employer 1708 · ATLANTA · read September 14, 2026
Licensed
NAVCO
Alarm Company Operator 4525 · ORANGE · read September 14, 2026
Licensed
NEAL FELDER PROTECTION
Private Patrol Operator 14293 · LOS ANGELES · read September 14, 2026
Licensed
NEEDLES CANNABIS DISPENSARY
Proprietary Private Security Officer Employer 1770 · NEEDLES · read September 14, 2026
Licensed
NEEMA PRIVATE SECURITY
Private Patrol Operator 122136 · EL CAJON · read September 14, 2026
Licensed
NEIGHBORHOOD HEALTHCARE
Proprietary Private Security Officer Employer 112 · ESCONDIDO · read September 14, 2026
Licensed
NELSON RESTAURANT GROUP INC DBA BLACKBIRD
Proprietary Private Security Officer Employer 1711 · TEMECULA · read September 14, 2026
Licensed
NELSON SECURITY AND COMMUNICATIONS
Alarm Company Operator 2320 · WESTLAKE VILLAGE · read September 14, 2026
Licensed
NELSON SPECIALIZED INVESTIGATIONS
Private Patrol Operator 17343 · LAGUNA NIGUEL · read September 14, 2026
Licensed
NEOM PROTECTION GROUP, INC.
Private Patrol Operator 122165 · SIMI VALLEY · read September 14, 2026
Licensed
NEP - G
Private Patrol Operator 122268 · RIVERSIDE · read September 14, 2026
Licensed
NETCAM SECURITY, INC
Alarm Company Operator 6926 · DANA POINT · read September 14, 2026
Licensed
NETSLYCE, INC.
Alarm Company Operator 8190 · LOS ANGELES · read September 14, 2026
Licensed
NETWATCH NORTH AMERICA
Alarm Company Operator 8049 · ROSEVILLE · read September 14, 2026
Licensed
NETWORK SECURITY SYSTEMS
Alarm Company Operator 2414 · REDWOOD CITY · read September 14, 2026
Licensed
NEW CENTURY SECURITY SERVICES
Private Patrol Operator 10480 · VALLEJO · read September 14, 2026
Licensed
NEW CONCEPT SECURITY
Private Patrol Operator 17169 · GARDEN GROVE · read September 14, 2026
Licensed
NEW CORE PRIVATE SECURITY, INC.
Private Patrol Operator 121820 · LA MIRADA · read September 14, 2026
Licensed
NEW EDITION SECURITY PATROL, INC.
Private Patrol Operator 120293 · LONG BEACH · read September 14, 2026
Licensed
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