| Business | Phone |
| Us Drug Enforcement Adm 303 N 28th St # 302, Billings 59101 | (406) 657-6020 |
| Us Secret Svc 401 N 31st St, Billings 59101 | (406) 245-8585 |
| Senator Max Baucus 2817 2nd Ave N, Billings 59101 | (406) 657-6790 |
| Federal Protective Svc 316 N 26th St, Billings 59101 | (406) 247-7570 |