| System Name | Type | City |
|---|---|---|
| Allcomm Wireless (Mississippi) | LTR Standard | Columbus |
| Columbus Light and Water | EDACS Standard | Columbus |
| Entergy | Project 25 Phase II | Various |
| Mississippi Wireless Information Network (MSWIN) | Project 25 Phase II | Jackson |
| Teletec Communications (Columbus) | LTR Standard | Columbus |
| United States Air Force (3D6) | Project 25 Phase I | Various |
