| Business | Phone |
| Tri-Ed Inc 10610 Newkirk St 106, Dallas 75220 | (972) 869-9317 |
| Aegis Systems 17819 Davenport Rd 210, Dallas 75252 | (972) 985-7408 |
| Rhino Security Inc 1401 Elm St, Dallas 75202 | (469) 341-0471 |
| Security Systems Dallas 1920 Abrams Pkwy, Dallas 75214 | (877) 772-2667 |
| Devcon Security 11496 Luna Road #11, Dallas 75234 | (214) 446-7496 |