| System Name | Type | City |
|---|---|---|
| Eastern Iowa Power Cooperative | DMR Conventional Networked | Various |
| Alliant Energy | DMR Tier 3 Standard | Various |
| Gerdau Ameristeel | DMR Motorola Capacity Plus Single Site (TRBO) | Wilton |
| Grain Processing - Muscatine IA | DMR Motorola Capacity Plus Single Site (TRBO) | Muscatine |
| Iowa DMR Users Group | DMR Conventional Networked | Various |
| Iowa Statewide Interoperable Communications System (ISICS) | Project 25 Phase II | Statewide |
| STARCOM21 Statewide Illinois | Project 25 Phase II | Statewide |
