| System Name | Type | City |
|---|---|---|
| American Electric Power (AEP) P25 | Project 25 Phase II | Various |
| CenterPoint Energy Houston Electric | OpenSky 9600 baud | Houston |
| Lower Colorado River Authority (LCRA) OpenSky | OpenSky 4800 baud | Various |
| Lower Colorado River Authority (LCRA) P25 | Project 25 Phase II | Various |
| Texas Bigfoot Communications (Tier 3) | DMR Tier 3 Capacity Max | Houston |
| Texas Wide Area Radio Network (TxWARN) | Project 25 Phase II | Various |
