| Business | Phone |
| American Commercial Security 4633 Old Ironsides Dr # 402, Santa Clara 95054 | (408) 748-7622 |
| American Protective Svc 2041 Mission College Blvd, Santa Clara 95054 | (408) 341-3700 |
| Aviation Safeguards 1400 Coleman Ave, Santa Clara 95050 | (408) 987-9684 |
| Barton Protective Svc 1500 Wyatt Dr # 6, Santa Clara 95054 | (408) 213-3601 |
| Bayside Patrol & Invstgtns 1400 Coleman Ave, Santa Clara 95050 | (408) 986-8480 |
| Crimetek 3022 Scott Blvd, Santa Clara 95054 | (408) 988-3787 |
| Crimetek Security Svc 3160 De La Cruz Blvd, Santa Clara 95054 | (408) 271-8870 |
| De Sense Protection Group Inc 3333 Bowers Ave # 130, Santa Clara 95054 | (408) 748-8356 |
| Health Care Security Svc 3180 De La Cruz Blvd, Santa Clara 95054 | (408) 330-7540 |
| Secure All 3160 De La Cruz Blvd, Santa Clara 95054 | (408) 492-1001 |
| Securitas Security 1800 Wyatt Dr, Santa Clara 95054 | (408) 327-8640 |
| Professional Security Consultants Santa Clara 95051 | (408) 241-5114 |
| Security People Inc 3675 Enochs St, Santa Clara 95051 | (408) 774-1487 |
| Sierra Protective Svc 3496 Angelina Dr, Santa Clara 95051 | (408) 723-9700 |
| Southpark Security 2451 S Park Ln, Santa Clara 95051 | (408) 296-7115 |
| Title Of Liberty Security Svc 1760 Halford Ave # 264, Santa Clara 95051 | (408) 551-0911 |