| Business | Phone |
| Background Check 38750 Paseo Padre Pkwy # A-1, Fremont 94536 | (510) 742-1950 |
| Caliber Group Fremont 94536 | (510) 377-9997 |
| Anthony Castaneda Fremont 94538 | (510) 796-2446 |
| Chandler & Assoc 39270 Paseo Padre Pkwy # 419, Fremont 94538 | (510) 623-7058 |
| Elite Backgrounds Inc 39680 Mission Blvd, Fremont 94539 | (510) 713-9713 |
| Haole & Kanaka Assoc Fremont 94538 | (510) 933-4800 |
| Rivera & Assoc 38665 Fremont Blvd, Fremont 94536 | (510) 742-1122 |
| Stealth Surveillance Fremont 94536 | (510) 793-5909 |