Global Guardian
Atherton, CA 94027
Inter-con Security
Castro Valley, CA 94546
Securitas
Santa Clara, CA 95050
Fast Guard Security Service
Hayward, CA 94545
Overton Security Services
Oakland, CA 94601
AEGIS Security & Investigations
Fremont, CA 94537
Legends Global
Oakland, CA 94601
Day & Zimmermann
Palo Alto, CA 94301
ASM Global
Oakland, CA 94601
Chenega Corporation
Mountain View, CA 94043