| B & R Electronics | LTR | Standard | Hayes | Stanley | 2015-01-27 |
| Basin Electric Power Cooperative | MPT-1327 | Standard | Bismarck | Multi-County [56] | 2022-11-06 |
| Black Hills Energy | MPT-1327 | Standard | Various | Multi-County [6] | 2022-05-08 |
| Denny Sanford Premier Center | DMR | Motorola Capacity Plus Single Site (TRBO) | Sioux Falls | Minnehaha | 2017-04-03 |
| East River Electric Power Coop | DMR | Tier 3 Standard | Multiple | Multi-County [24] | 2024-11-17 |
| Federal Prison Camp Yankton | Project 25 | Phase I | Yankton | Yankton | 2024-09-30 |
| Iowa Statewide Interoperable Communications System (ISICS) | Project 25 | Phase II | Statewide | Multi-County [3] | 2025-01-30 |
| Jamestown Communications | LTR | Standard | Aberdeen | Brown | 2011-01-12 |
| Milbank Communications | DMR | Motorola Capacity Plus Single Site (TRBO) | Milbank | Grant | 2021-10-14 |
| Northwestern Energy | MPT-1327 | Standard | Yankton | Multi-County [8] | 2021-10-13 |
| Otter Tail Power Company | DMR | Motorola Capacity Plus Multi Site (TRBO) | Big Stone City | Grant | 2021-10-13 |
| Rees Communications (Gettysburg) | Motorola | Type IIi Hybrid | Gettysburg | Potter | 2014-06-10 |
| Sioux Falls Two Way | DMR | Motorola Capacity Plus Single Site (TRBO) | Sioux Falls | Minnehaha | 2020-06-18 |
| South Dakota State Radio System | Project 25 | Phase II | Statewide | Statewide | 2024-12-01 |
| United States Air Force (157) | Project 25 | Phase I | Various | Multi-County [34] | 2024-11-12 |
| Valero Renewable Fuels | DMR | Motorola Capacity Plus Single Site (TRBO) | Aurora | Brookings | 2021-11-03 |
| West Central Communications | DMR | Motorola Capacity Plus Single Site (TRBO) | Summit | Roberts | 2021-10-14 |
| Western Comm DMR (Black Hills) | DMR | Motorola Connect Plus (TRBO) | Rapid City | Multi-County [4] | 2024-12-09 |
| Western Communications (Fort Pierre) | Motorola | Type IIi Hybrid | Fort Pierre | Stanley | 2014-06-10 |
| Western Communications (Reliance) | Motorola | Type IIi Hybrid | Reliance | Lyman | 2018-05-21 |
| Yankton Police | Project 25 | Phase II | Yankton | Yankton | 2021-05-17 |
