| Business | Phone |
| Sioux Gateway Airport/Col Bud Sioux City 51111 | (712) 233-0002 |
| Us Naval Reserve Ctr 2501 S Lewis Blvd, Sioux City 51106 | (712) 276-0130 |
| Us Navy Recruiting 4283 Sergeant Rd, Sioux City 51106 | (712) 274-2793 |
| Us Naval Reserve Recruiting 2501 S Lewis Blvd, Sioux City 51106 | (712) 276-2944 |
| Us Army Reserve 2501 S Lewis Blvd, Sioux City 51106 | (712) 276-5075 |
| Us Army & Air Force Exchange 2920 Headquarters Ave, Sioux City 51111 | (712) 277-2042 |
| Us Army Corp Of Engineers 320 6th St, Sioux City 51101 | (712) 255-0681 |
| Us Army Dept 2501 S Lewis Blvd, Sioux City 51106 | (712) 276-7516 |
| Us Coast Guard Auxiliary 1000 Larsen Park Rd, Sioux City 51103 | (712) 258-8416 |
| Us Marine Corps Recruiting 4283 Sergeant Rd, Sioux City 51106 | (712) 276-6090 |
| Us Air Force Recruiting 4283 Sergeant Rd, Sioux City 51106 | (712) 276-6642 |