| System Name | Type | City |
|---|---|---|
| East River Electric Power Coop | DMR Tier 3 Standard | Multiple |
| Federal Prison Camp Yankton | Project 25 Phase I | Yankton |
| Northwestern Energy | MPT-1327 Standard | Yankton |
| South Dakota State Radio System | Project 25 Phase I | Statewide |
| Yankton Police | Project 25 Phase II | Yankton |
