| System Name | Type | City |
|---|---|---|
| Central Maine Power | LTR Standard | Various |
| Maine State Communications Network (MSCommNet) | Project 25 Phase I | Statewide |
| MedComm | DMR Motorola Capacity Plus Multi Site (TRBO) | Various |
| Mid-Coast Maine LTR | LTR Standard | Midcoast |
| RCM Communications (Hytera XPT) | DMR Hytera XPT | Portland |
