| System Name | Type | City |
|---|---|---|
| Adrian and Blissfield Railroad Company | NXDN NEXEDGE 4800 | Blissfield |
| Calhoun-Jackson Counties Road Department | DMR Motorola Capacity Plus Multi Site (TRBO) | Marshall |
| ComSource Michigan DMR | DMR Motorola Connect Plus (TRBO) | Various |
| Michigan's Public Safety Communications System (MPSCS) | Project 25 Phase II | Statewide |
| Telacom Corporation | LTR Standard | Jackson |
