| Business | Phone |
| Automatic Alarm Co 254 E Arapaho Rd, Richardson 75081 | (972) 234-0428 |
| Ameritex Gaurd Svc 100 N Central Expy, Richardson 75080 | (972) 231-6395 |
| Champion National Security 1616 Gateway Blvd, Richardson 75080 | (972) 235-8878 |
| Silver Star Security 1616 Gateway Blvd, Richardson 75080 | (972) 235-8910 |
| Sunbelt Security Inc 254 E Arapaho Rd 180, Richardson 75081 | (972) 783-4135 |