| System Name | Type | City |
|---|---|---|
| Alliant Energy | DMR Tier 3 Standard | Various |
| Dairyland Power Cooperative | DMR Tier 3 Capacity Max | Various |
| Iowa DMR Users Group | DMR Conventional Networked | Various |
| Iowa Statewide Interoperable Communications System (ISICS) | Project 25 Phase II | Statewide |
| SARA Network | Project 25 Phase II | Various |
