| System Name | Type | City |
|---|---|---|
| American Electric Power (AEP) P25 | Project 25 Phase II | Various |
| Conoco Phillips (Eagle Ford Shale) | DMR Conventional Networked | Kenedy |
| Guadalupe Valley Electric Cooperative | DMR Motorola Capacity Plus Multi Site (TRBO) | Various |
| Lower Colorado River Authority (LCRA) OpenSky | OpenSky 4800 baud | Various |
| Lower Colorado River Authority (LCRA) P25 | Project 25 Phase II | Various |
