| Business | Phone |
| Us Hearings & Appeals Office 909 Saint Joseph St, Rapid City 57701 | (605) 342-2070 |
| Us Inspector General 625 Main St # 1, Rapid City 57701 | (605) 342-7280 |
| Us Resource Conservation 1530 Samco Rd, Rapid City 57702 | (605) 348-2611 |
| Us Transformer Inc 1995 Sammis Trl, Rapid City 57702 | (605) 348-2880 |
| Us Transformer Inc 524 6th St, Rapid City 57701 | (605) 399-9869 |
| Senator Tom Daschle 1313 W Main St, Rapid City 57701 | (605) 348-7551 |
| Representative John Thune 2525 W Main St # 210, Rapid City 57702 | (605) 342-5135 |
| Representative Tim Johnson 405 E Omaha St # B, Rapid City 57701 | (605) 341-3990 |
| Representative William Janklow 2525 W Main St # 210, Rapid City 57702 | (605) 394-5280 |
| Federal Bureau Of Invstgtn 909 Saint Joseph St # 400, Rapid City 57701 | (605) 343-9632 |
| Federal Public Defenders Ofc 703 Main St, Rapid City 57701 | (605) 343-5110 |
| Mine Safety Adm 2455 W Chicago St, Rapid City 57702 | (605) 348-2076 |