| System Name | Type | City |
|---|---|---|
| Alliant Energy | DMR Tier 3 Standard | Various |
| Alpha Wireless Communications Company | Motorola Type II | Fostoria |
| Alpha-Ancom Connect Plus | DMR Motorola Connect Plus (TRBO) | |
| Corn Belt Power Cooperative | DMR Motorola Connect Plus (TRBO) | Multiple |
| Iowa DMR Users Group | DMR Conventional Networked | Various |
| Iowa Statewide Interoperable Communications System (ISICS) | Project 25 Phase II | Statewide |
