| Business | Phone |
| American Camera Systems 12441 Hesperia Rd, Victorville 92395 | (760) 241-6465 |
| Barstow Alarm & Fire Sprinkler 16637 Mojave Dr, Victorville 92395 | (760) 256-8600 |
| D C Alarms Po Box 883, Victorville 92393 | (760) 244-0808 |
| Knight Guard Alarm Svc 12179 San Dimas St, Victorville 92392 | (760) 949-3537 |
| R & J Security Po Box 1223, Victorville 92393 | (760) 241-6860 |