| System Name | Type | City |
|---|---|---|
| Atlantic Communications | LTR Standard | Various |
| Central Maine Power | LTR Standard | Various |
| Hussey Communications (Sugarloaf Mountain) | LTR Standard | Sugarloaf Mountain |
| Hussey Communications (York Hill-New Sharon) | LTR Standard | York Hill-New Sharon |
| Maine State Communications Network (MSCommNet) | Project 25 Phase I | Statewide |