| System Name | Type | City |
|---|---|---|
| Alliant Energy | DMR Tier 3 Standard | Various |
| Iowa Statewide Interoperable Communications System (ISICS) | Project 25 Phase II | Statewide |
| Mid American Energy | MPT-1327 Standard | Various |
| SARA Network | Project 25 Phase II | Various |
| T.I.P. Rural Electric Cooperative | DMR Conventional Networked | Brooklyn |
