| System Name | Type | City |
|---|---|---|
| Greater Austin/Travis Regional Radio System (GATRRS) | Project 25 Phase II | Austin |
| Occidental Permian (Andrews) | Motorola Type II Smartnet | Andrews |
| Occidental Petroleum Corporation | DMR Tier 3 Standard | Various |
| Oncor Energy | Project 25 Phase II | Various |
| Pro Communications (NEXEDGE) | NXDN NEXEDGE 4800 | Various |
| Twin Cities Communications (Andrews) | LTR Standard | Andrews |
| Xcel Energy | Project 25 Phase I | Various |
