| Business | Phone |
| All Communications & Svc 3205 Crane Dr, Rapid City 57703 | (605) 355-6960 |
| Telecom Solutions 2907 Jolly Ln, Rapid City 57703 | (605) 393-8808 |
| Dakota Phones 1280 Sum Pl, Rapid City 57701 | (605) 343-1319 |
| Golden West Technologies 2727 N Plaza Dr, Rapid City 57702 | (605) 348-6529 |
| M & N Communications 1370 Deadwood Ave, Rapid City 57702 | (605) 343-0622 |