| Business | Phone |
| Auxiliary Concepts & Design 3917 Drake Ave Sw, Huntsville 35805 | (256) 536-4864 |
| Koorsen Protection Svc 3404 Wholesale Cir Ne, Huntsville 35801 | (256) 536-0786 |
| Life Safety & Co Fire Alarm 12021 Memorial Pkwy Sw, Huntsville 35803 | (256) 880-9372 |
| Master Guard Of Huntsville Huntsville 35806 | (256) 217-1911 |
| North American Video & Sound Bldg 3531 Redstone Arsenal, Huntsville 35898 | (256) 536-8417 |