| Business | Phone |
| Adt Security Svc 1523 Deadwood Ave, Rapid City 57702 | (605) 348-9145 |
| Communication Systems 3213 W Main St # 314, Rapid City 57702 | (605) 342-5222 |
| Safe & Sound 3936 Lakeview Dr, Rapid City 57702 | (605) 342-8744 |
| Security First 1507 E Saint Patrick St, Rapid City 57703 | (605) 341-2975 |
| Electro Watchman Inc Rapid City 57701 | (605) 342-9076 |
| Knight Security 3302 S Highway 79, Rapid City 57701 | (605) 343-3333 |