| System Name | Type | City |
|---|---|---|
| American Electric Power (AEP) P25 | Project 25 Phase II | Various |
| KD8EVR Knox County DMR | DMR Conventional Networked | Mount Vernon |
| Kenyon College | DMR Motorola Capacity Plus Multi Site (TRBO) | Gambier |
| Knox County Ham DMR | DMR Conventional Networked | Mount Vernon |
| Ohio MARCS-IP: Multi-Agency Radio Communications | Project 25 Phase I | Statewide |
