| System Name | Type | City |
|---|---|---|
| Duck River Electric Membership Corporation | Project 25 Phase II | Shelbyville |
| Middle Tennessee Two-Way (Lewisburg) | LTR Standard | Lewisburg |
| Tennessee Advanced Communications Network (TACN) | Project 25 Phase II | Various |
| Tennessee BrandMeister Network | DMR Conventional Networked | Various |