| Business | Phone |
| Brule County 4th Circuit Prbtn Courthouse, Chamberlain 57325 | (605) 734-4500 |
| Brule County Agent 300 S Courtland St # 202, Chamberlain 57325 | (605) 734-4431 |
| Brule County Agriculture Bldg Po Box 429, Chamberlain 57325 | (605) 894-9220 |
| Brule County Equalization 300 S Courtland St, Chamberlain 57325 | (605) 734-4432 |
| Brule County Register Of Deeds 300 S Courtland St # 110, Chamberlain 57325 | (605) 734-4434 |
| Brule County Veteran's Svc 300 S Courtland St # 106, Chamberlain 57325 | (605) 734-4433 |