| Business | Phone |
| Security Masters Irving 75062 | (972) 607-9400 |
| Comfort Security 1620 John Smith Dr, Irving 75061 | (972) 251-1215 |
| Fire Alarm Svc Technology Inc 1904 E Grauwyler Rd, Irving 75061 | (972) 438-7738 |
| Isi Security Systems 3604 Conflans Rd, Irving 75061 | (972) 256-3415 |
| Lec Security 2225 River Hill Rd, Irving 75061 | (972) 445-0443 |
| Asap Securities 9150 W Royal Ln, Irving 75063 | (972) 929-0658 |
| Brink's Home Security Inc 8880 Esters Blvd, Irving 75063 | (972) 871-3500 |
| Ipi Security 8120 Jetstar Dr # 150, Irving 75063 | (972) 621-1010 |
| Online Security Systems 4829 W Royal Ln # A, Irving 75063 | (972) 393-5432 |
| Prostar Security Svc 9150 N Royal Ln 140, Irving 75063 | (972) 417-7001 |
| Siemens Explosive Detection 8701 Sterling St, Irving 75063 | (972) 929-7337 |