| Business | Phone |
| Pas Inc 630 N Bishop Ave, Dallas 75208 | (214) 943-7600 |
| Monitoring Center 6500 Greenville Ave 200, Dallas 75206 | (214) 696-4026 |
| Adt Security Svc 2035 Royal Ln, Dallas 75229 | (972) 488-2438 |
| Easy Protect Inc 2035 Royal Ln, Dallas 75229 | (469) 522-7393 |
| M & S Technologies 2665 Villa Creek Dr, Dallas 75234 | (214) 420-5800 |
| Central Security Group Nation Dallas 75240 | (972) 385-3131 |
| A Extreme Protection Svc 6450 Palm Island St, Dallas 75241 | (469) 853-8403 |
| Protection Link Inc 1230 River Bend Dr 122, Dallas 75247 | (214) 905-1089 |
| Smith Alarm Systems 7777 John W Carpenter Fwy, Dallas 75247 | (972) 260-6464 |
| E Certify Corp 12222 Merit Dr, Dallas 75251 | (972) 770-4530 |
| Technology Resource Assoc Po Box 820954, Dallas 75382 | (214) 750-1885 |
| Pathlock Corp Dallas 75287 | (972) 930-6267 |
| Dallas Lock Masters 4848 Lemmon Ave, Dallas 75209 | (214) 393-9025 |