| System Name | Type | City |
|---|---|---|
| Greater Austin/Travis Regional Radio System (GATRRS) | Project 25 Phase II | Austin |
| Horizon Telecom (Lockhart) | LTR Standard | Lockhart |
| Lower Colorado River Authority (LCRA) OpenSky | OpenSky 4800 baud | Various |
| Lower Colorado River Authority (LCRA) P25 | Project 25 Phase II | Various |
