| Business | Phone |
| Us Ecological Svc 2900 4th Ave N # 301, Billings 59101 | (406) 247-7366 |
| Us Field Solicitor 316 N 26th St # 3005, Billings 59101 | (406) 247-7583 |
| Us Geological Water Resources 1500 University Dr, Billings 59101 | (406) 657-6113 |
| Us Hearings & Appeals Ofc 2900 4th Ave N # 500, Billings 59101 | (406) 247-7550 |
| Us Inspector General 207 N 28th St, Billings 59101 | (406) 657-6262 |
| Us Inspector General 2602 1st Ave N, Billings 59101 | (406) 657-6298 |
| Us Interagency Dispatch Center 1737 Us Highway 3 E, Billings 59105 | (406) 657-6471 |
| Us Marshall 301 N 27th St, Billings 59101 | (406) 247-7030 |
| Us Senator 207 N 28th St, Billings 59101 | (406) 657-6790 |
| Us West Interact 219 Calhoun Ln, Billings 59101 | (406) 245-9880 |
| Usgsa Fleet Management 1922 Minnesota Ave, Billings 59101 | (406) 657-6279 |
| Congressman Denny Rehberg 1201 Grand Ave # 1, Billings 59102 | (406) 256-1019 |
| Congressman Denny Rehberg 27 N 27th St, Billings 59101 | (406) 256-1019 |
| Senator Conrad Burns 222 N 32nd St # 400, Billings 59101 | (406) 252-0550 |
| Natural Resource Conservation 724 3rd St W, Billings 59101 | (406) 655-3442 |
| Natural Resource Conservation 810 Main St, Billings 59105 | (406) 896-5013 |
| Honorable Sidney R Thomas Billings 59101 | (406) 657-5950 |