| System Name | Type | City |
|---|---|---|
| Atlantic Communications | DMR Conventional Networked | Various |
| Atlantic Communications | LTR Standard | Various |
| 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 |
| Nextel (Eddington) | LTR Standard | Eddington |
