| Business | Phone |
| Bon Homme County 4-H 1910 Birch St, Tyndall 57066 | (605) 589-9988 |
| Bon Homme County Assessments 300 W 18th Ave, Tyndall 57066 | (605) 589-4210 |
| Bon Homme County Extension Svc 103 W 18th Ave, Tyndall 57066 | (605) 589-3531 |
| Bon Homme County Game Warden 300 W Cherry St, Tyndall 57066 | (605) 589-4208 |
| Bon Homme County Highway Supt 300 W 18th Ave, Tyndall 57066 | (605) 589-4216 |
| Bon Homme County Highway Supt 300 W Cherry St, Tyndall 57066 | (605) 589-4216 |
| Bon Homme County Register-Deed 300 W 18th Ave, Tyndall 57066 | (605) 589-4217 |
| Bon Homme County Veterans Svc 300 W 18th Ave, Tyndall 57066 | (605) 589-4214 |
| County Shed 1400 Birch St, Tyndall 57066 | (605) 589-3931 |