| Business | Phone |
| Association-Indian Affairs 45654 Willard Lafromboise St, Sisseton 57262 | (605) 698-3998 |
| Chamber Of Commerce 112 Hickory Street Ave, Sisseton 57262 | (605) 698-7261 |
| Sisseton Area Chamber-Commerce 509 Veterans Ave, Sisseton 57262 | (605) 698-7261 |
| Northern Plains Healthy Start 11950 Bia Highway 700, Sisseton 57262 | (605) 698-4120 |