| System Name | Type | City |
|---|---|---|
| Billings | Project 25 Phase I | Billings |
| Billings Public Schools | DMR Motorola Capacity Plus Multi Site (TRBO) | Billings |
| Cenex CHS Refinery | DMR Motorola Capacity Plus Multi Site (TRBO) | Laurel |
| Exxon Mobil | Project 25 Phase II | Various |
| Industrial Communications (Billings) | Motorola Type II | Billings |
| Montana Public Safety Communications System | Project 25 Phase I | Statewide |
| Phillips 66 Refineries | Project 25 Phase II | Various |
| St Vincent Healthcare | DMR Motorola Capacity Plus Single Site (TRBO) | Billings |
