| Business | Phone |
| Interface 825 Murray St, Alexandria 71301 | (318) 445-3800 |
| Interface Security Systems 2112 N Bolton Ave, Alexandria 71303 | (318) 445-0364 |
| Modern Security & Electronics 3004 Jackson St B, Alexandria 71301 | (318) 445-6100 |
| Security Plus Alarm Co 6228 Antoinette St, Alexandria 71303 | (318) 561-6100 |
| Sga Alarm Line 3800 Coliseum Blvd, Alexandria 71303 | (318) 443-3401 |
| Sonitrol Security Systems 825 Murray St, Alexandria 71301 | (318) 442-6000 |
| Terry's Alarms Inc 5405 North Blvd, Alexandria 71301 | (318) 487-8022 |