| Business | Phone |
| I Q Home Systems 707 N Green St, Longview 75601 | (903) 236-7755 |
| Interface Security Systems 1105 Judson Rd # B, Longview 75601 | (903) 757-5500 |
| Kane Security Co 813 Gilmer Rd, Longview 75604 | (903) 759-5263 |
| Accent Communications 829 N 3rd St, Longview 75601 | (903) 758-9955 |
| Adt Security Svc 714 S Standard St, Longview 75604 | (903) 241-7700 |
| Alarm Security Group 1015 W Loop 281 # 6, Longview 75604 | (903) 295-3310 |
| Armadillo Alarm 2125 Gilmer Rd, Longview 75604 | (903) 297-0908 |
| Wholesale Video Security & Spl 3501 Mccann Rd, Longview 75605 | (903) 758-1285 |
| Protect Security 420 N Green St, Longview 75601 | (903) 236-4700 |
| Noble Enterprises Security 110 Triple Creek Dr # 7, Longview 75601 | (903) 757-9770 |