| Business | Phone |
| Alarm Device 5217 19th Rd N, Arlington 22207 | (703) 237-0394 |
| Washington Security Systems 1622 N Mckinley Rd 2, Arlington 22205 | (703) 532-5832 |
| Security Design & Svc Arlington 22201 | (703) 525-0064 |
| N & D Security 4625 Old Dominion Dr 101, Arlington 22207 | (703) 243-0499 |