| Business | Phone |
| Winnelson Co 1525 Samco Rd # C, Rapid City 57702 | (605) 399-3990 |
| Dakota Supply Co 108 E Main St, Rapid City 57701 | (605) 348-7100 |
| Fnw/Ferguson 2440 E Saint Andrew St, Rapid City 57703 | (605) 341-4230 |
| Northwest Pipe Fittings 2309 W Omaha St, Rapid City 57702 | (605) 342-5587 |
| Mc Donald Supply Co Inc 320 Maple Ave, Rapid City 57701 | (605) 343-4275 |