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
NOVA SECURITY SYSTEMS INC
Alarm Company Operator 5531 · FULLERTON · read September 14, 2026
Licensed
NOVAGUARD SECURITY COMPANY
Private Patrol Operator 122434 · ANAHEIM · read September 14, 2026
Licensed
NOVASTAR SECURITY, INC.
Private Patrol Operator 14803 · FAIR OAKS · read September 14, 2026
Licensed
NPG CONTROL SERVICES,INC.
Private Patrol Operator 15115 · BENSENVILLE · read September 14, 2026
Licensed
NTEL PATROL INC
Private Patrol Operator 120388 · INGLEWOOD · read September 14, 2026
Licensed
NTI SECURITY
Alarm Company Operator 7574 · GARDEN GROVE · read September 14, 2026
Licensed
NTT GLOBAL DATA CENTERS AMERICAS, INC.
Proprietary Private Security Officer Employer 1292 · SACRAMENTO · read September 14, 2026
Licensed
NTZ, INC.
Proprietary Private Security Officer Employer 1764 · SAN JOSE · read September 14, 2026
Licensed
NU SYSTEMS, INC.
Alarm Company Operator 5406 · GARDNERVILLE · read September 14, 2026
Licensed
NUHOME TECH, INC. DBA FORTIFY SECURITY
Alarm Company Operator 8211 · VAN NUYS · read September 14, 2026
Licensed
NUTECH FIRE ALARM AND SECURITY
Alarm Company Operator 6713 · DOWNEY · read September 14, 2026
Licensed
NY2CA WEST
Private Patrol Operator 122681 · RANCHO CUCAMONGA · read September 14, 2026
Licensed
O & P SECURITY CORP.
Private Patrol Operator 122191 · CHATSWORTH · read September 14, 2026
Licensed
O & R PROTECTIVE SERVICES
Private Patrol Operator 15600 · GLENDALE · read September 14, 2026
Licensed
O D O PRIVATE SECURITY
Private Patrol Operator 11591 · VISTA · read September 14, 2026
Licensed
O.C. METRO PATROL
Private Patrol Operator 10282 · ANAHEIM · read September 14, 2026
Licensed
O.S (OPERATING SYSTEM) SECURITY
Private Patrol Operator 122190 · LOS ANGELES · read September 14, 2026
Licensed
O'CONNELL PROTECTION SERVICES
Private Patrol Operator 121944 · PALM DESERT · read September 14, 2026
Licensed
O'LINN EXECUTIVE SECURITY SER INC
Alarm Company Operator 2583 · WINNETKA · read September 14, 2026
Licensed
O'LINN EXECUTIVE SECURITY SERVICE, INC.
Private Patrol Operator 120992 · WINNETKA · read September 14, 2026
Licensed
O'LINN SECURITY INCORPORATED
Private Patrol Operator 16415 · PALM SPRINGS · read September 14, 2026
Licensed
OAK ALARM CO
Alarm Company Operator 2899 · SHINGLE SPRINGS · read September 14, 2026
Licensed
OAKS CARD CLUB
Proprietary Private Security Officer Employer 197 · EMERYVILLE · read September 14, 2026
Licensed
OAKS SECURITY, INC.
Alarm Company Operator 6564 · THOUSAND OAKS · read September 14, 2026
Licensed
OASIS PRIVATE SECURITY
Private Patrol Operator 122063 · NORTH HILLS · read September 14, 2026
Licensed
OASIS SECURITY SYSTEMS
Alarm Company Operator 5370 · EXETER · read September 14, 2026
Licensed
OATRIDGE SECURITY GROUP, INC.
Private Patrol Operator 120952 · TORRANCE · read September 14, 2026
Licensed
OC PATROL
Private Patrol Operator 16869 · PLACENTIA · read September 14, 2026
Licensed
OC PROTECTION SERVICES
Private Patrol Operator 121437 · COVINA · read September 14, 2026
Licensed
OCCIDENTAL COLLEGE
Proprietary Private Security Officer Employer 1803 · LOS ANGELES · read September 14, 2026
Licensed
OCEANS 11 CASINO
Private Patrol Operator 120839 · OCEANSIDE · read September 14, 2026
Licensed
OCEANSIDE PATROL INC
Private Patrol Operator 121209 · NEWPORT BEACH · read September 14, 2026
Licensed
OCHIN SECURITY PATROL
Private Patrol Operator 16327 · LOS ANGELES · read September 14, 2026
Licensed
OCU ENTERPRISES INC DBA ELEMENT SECURITY & RISK MANAGEMENT SOLUTIONS
Private Patrol Operator 120008 · VISALIA · read September 14, 2026
Licensed
OCVIBE SPORTS & ENTERTAINMENT, LLC
Proprietary Private Security Officer Employer 1500 · ANAHEIM · read September 14, 2026
Licensed
ODEH ELECTRICAL & SECURITY INC
Alarm Company Operator 8166 · SAN RAMON · read September 14, 2026
Licensed
ODI 365
Private Patrol Operator 122517 · LAGUNA NIGUEL · read September 14, 2026
Licensed
ODYSSEY UNLIMITED
Private Patrol Operator 16111 · SAN DIEGO · read September 14, 2026
Licensed
OEIS PROTECTION INC.
Private Patrol Operator 121201 · LOS ANGELES · read September 14, 2026
Licensed
OESTE PROTECTIVE SERVICES INC
Private Patrol Operator 122799 · LOS ANGELES · 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