| Business | Phone |
| Trading Post Inc 510 E Pipestone Ave, Flandreau 57028 | (605) 997-2738 |
| Cenex 100 Industrial Park Rd, Flandreau 57028 | (605) 997-3752 |
| Dakota Stop 101 W Pipestone Ave, Flandreau 57028 | (605) 997-2235 |
| First American Mart 1001 S Veterans St, Flandreau 57028 | (605) 997-2870 |