Usa-Places.com has listed approx 9 Security guard services in CA 94538. Some of the Top rated Security guard services in CA 94538 are- C&C Security Patrol Inc., Overton Security Services Inc., Overton Security Services Inc., ENS Security San Francisco | Professional Security System Wholesaler, G4S, 1 Cerberus Security & Patrol, Additional Technology Security, CPS Security & Rapiscan Systems.