| Business | Phone |
| Creekside 624 Highway 16a, Keystone 57751 | (605) 666-4904 |
| Ruby House 126 Winter St, Keystone 57751 | (605) 666-4404 |
| Rushmore Supper Club 253 Swanzey St, Keystone 57751 | (605) 666-4501 |
| Mt Rushmore All Amer Family 212 Winter St, Keystone 57751 | (605) 666-5218 |
| Keystone House Restaurant 217 Winter St, Keystone 57751 | (605) 666-4775 |
| Big Time Pizza 206 Cemetery Rd, Keystone 57751 | (605) 666-4443 |
| Cafe 434 Highway 16a, Keystone 57751 | (605) 666-4988 |
| Eno's Pizza 804 Highway 16a Shop 8/Ext 110, Keystone 57751 | (605) 666-4771 |
| Railhead Family Restaurant 102 Winter St, Keystone 57751 | (605) 666-5210 |