| Business | Phone |
| Gregory County Assessments 221 E 8th St, Burke 57523 | (605) 775-2673 |
| Gregory County Extension 221 E 8th St, Burke 57523 | (605) 775-2581 |
| Gregory County Register-Deeds 221 E 8th St, Burke 57523 | (605) 775-2624 |
| Gregory County Shop 1220 Franklin St, Burke 57523 | (605) 775-2606 |
| Gregory County Veterans Svc Courthouse, Burke 57523 | (605) 775-2672 |