| System Name | Type | City |
|---|---|---|
| Greater Austin/Travis Regional Radio System (GATRRS) | Project 25 Phase II | Austin |
| Occidental Petroleum Corporation | DMR Tier 3 Standard | Various |
| Oncor Energy | Project 25 Phase II | Various |
| Pro Communications (NEXEDGE) | NXDN NEXEDGE 4800 | Various |
