| Business | Phone |
| Communications & Security 4801 E Belmont St, Sioux Falls 57110 | (605) 371-2275 |
| Dakota Security Systems 47185 Wild Clover Cir, Sioux Falls 57107 | (605) 543-6040 |
| Safe-N-Secure 25806 471st Ave, Sioux Falls 57107 | (605) 366-0057 |
| Midwest Alarm Co 2300 S Dakota Ave, Sioux Falls 57105 | (605) 339-1709 |