| System Name | Type | City |
|---|---|---|
| Duck River Electric Membership Corporation | Project 25 Phase I | Shelbyville |
| Nissan Motor Manufacturing | Motorola Type II Smartnet | Decherd |
| Tennessee Advanced Communications Network (TACN) | Project 25 Phase II | Various |
| Tennessee BrandMeister Network | DMR Conventional Networked | Various |
| United States Air Force (3D6) | Project 25 Phase I | Various |
