| Business | Phone |
| Traill Cnty Equalization Board 114 Caledonia Ave, Hillsboro 58045 | (701) 636-5950 |
| Traill County Agent 114 W Caledonia Ave, Hillsboro 58045 | (701) 636-5665 |
| Traill County Nurse 114 W Caledonia Ave, Hillsboro 58045 | (701) 636-4434 |
| Traill County Register-Deeds 13 1st St Nw, Hillsboro 58045 | (701) 636-4457 |
| Traill County Soil Cnsrvtn Hillsboro 58045 | (701) 436-4311 |
| Traill County Veteran's Svc 118 W Caledonia Ave, Hillsboro 58045 | (701) 636-4414 |