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 →Looking for work? 140 open security jobs in California →5,248 records
ZERO THREAT PROTECTION
Private Patrol Operator 122518 · PALM DESERT · read September 14, 2026
Licensed
ZEROFOUR INC.
Private Patrol Operator 122263 · LOS ANGELES · read September 14, 2026
Licensed
ZION PROTECTION SERVICES
Private Patrol Operator 121845 · SUN CITY · read September 14, 2026
Licensed
ZIONS SECURITY ALARMS
Alarm Company Operator 6609 · LEHI · read September 14, 2026
Licensed
ZONE GUARD
Private Patrol Operator 121474 · CANOGA PARK · read September 14, 2026
Licensed
ZOOLOGICAL SOCIETY OF SAN DIEGO
Proprietary Private Security Officer Employer 1649 · SAN DIEGO · read September 14, 2026
Licensed
ZOOM SECURITY GROUP
Private Patrol Operator 122038 · WOODLAND HILLS · read September 14, 2026
Licensed
ZSI
Private Patrol Operator 14406 · SANTA BARBARA · read September 14, 2026
Licensed
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