| System Name | Type | City |
|---|---|---|
| Chevron Phillips Chemical Company | Project 25 Phase II | Pascagoula |
| Entergy | Project 25 Phase II | Various |
| Huntington Ingalls Industries | DMR Motorola Capacity Plus Single Site (TRBO) | Pascagoula |
| Jackson County | Motorola Type II SmartZone | Pascagoula |
| Jackson County Emergency Communication District | Project 25 Phase II | Pascagoula |
| Mississippi Wireless Information Network (MSWIN) | Project 25 Phase II | Jackson |
| Telecomm Network (Gautier) | LTR Standard | Gautier |
| Telecomm Network (Pascagoula) | LTR Standard | Pascagoula |
