| Business | Phone |
| Honorable Dj Murphy 1st St & Main Stamp;, Thief River Fls 56701 | (218) 681-0905 |
| Pennington County Courts 101 Main Ave N, Thief River Fls 56701 | (218) 681-2407 |
| Pennington County Custodian Courthouse, Thief River Fls 56701 | (218) 683-7018 |
| Pennington County Engineer 250 125th Ave Ne, Thief River Fls 56701 | (218) 683-7017 |
| Pennington County Extension 101 Main Ave, Thief River Fls 56701 | (218) 683-7030 |
| Pennington County Garage 250 125th Ave Ne, Thief River Fls 56701 | (218) 683-7028 |
| Pennington County Motor Vhcl 101 Main Ave N, Thief River Fls 56701 | (218) 683-7020 |
| Pennington County Recorder 101 Main Ave N, Thief River Fls 56701 | (218) 683-7027 |
| Pennington County Veterans Svc 101 Main Ave N, Thief River Fls 56701 | (218) 683-7034 |