| System Name | Type | City |
|---|---|---|
| Baytown Communications (Katy) | LTR Standard | Katy |
| CenterPoint Energy Houston Electric | OpenSky 9600 baud | Houston |
| Harris County DMR-MARC | DMR Conventional Networked | Houston |
| Lower Colorado River Authority (LCRA) OpenSky | OpenSky 4800 baud | Various |
| Texas Bigfoot Communications (Tier 3) | DMR Tier 3 Capacity Max | Houston |
| Texas Wide Area Radio Network (TxWARN) | Project 25 Phase II | Various |
