| Business | Phone |
| Sheridan Cnty Extension Agent 100 W Laurel Ave, Plentywood 59254 | (406) 765-3406 |
| Sheridan Commissioners 100 W Laurel Ave, Plentywood 59254 | (406) 765-2310 |
| Sheridan County Bi-Centennial Plentywood 59254 | (406) 765-3401 |
| Sheridan County Commissioners 100 W Laurel Ave, Plentywood 59254 | (406) 765-1660 |
| Sheridan County Custodial 100 W Laurel Ave, Plentywood 59254 | (406) 765-3405 |
| Sheridan County Fair 100 W Laurel Ave, Plentywood 59254 | (406) 765-3407 |
| Sheridan County Fire & Amblnc 100 W Laurel Ave, Plentywood 59254 | (406) 000-1111 |
| Sheridan County Incentive Prgm 100 W Laurel Ave, Plentywood 59254 | (406) 765-3430 |
| Sheridan County Jubilee Room Plentywood 59254 | (406) 765-3408 |
| Sheridan County Justice-Peace 100 W Laurel Ave, Plentywood 59254 | (406) 765-3409 |
| Sheridan County Land Appraisal 100 W Laurel Ave, Plentywood 59254 | (406) 765-2291 |
| Sheridan County Landfill 201 S Main St, Plentywood 59254 | (406) 765-7117 |
| Sheridan County Maintenance Plentywood 59254 | (406) 765-3405 |
| Sheridan County Nurse Plentywood 59254 | (406) 765-3410 |
| Sheridan County Planning 100 W Laurel Ave, Plentywood 59254 | (406) 765-3411 |
| Sheridan County Recorder 100 W Laurel Ave, Plentywood 59254 | (406) 765-3403 |
| Sheridan County Sanitarian Plentywood 59254 | (406) 765-3458 |
| Sheridan County Weed Control 100 W Laurel Ave, Plentywood 59254 | (406) 765-3415 |
| Machine Shop 4246 Highway 16 S, Plentywood 59254 | (406) 765-1221 |