| System Name | Type | City |
|---|---|---|
| American Electric Power (AEP) P25 | Project 25 Phase II | Various |
| DFW Communications | LTR Standard | Various |
| DFW Communications (Longview) | LTR Standard | Longview |
| Eastman Chemical Company | Project 25 Phase II | Multiple Cities |
| Nalcom (Longview) | LTR Standard | Longview |
| Oncor Energy | Project 25 Phase II | Various |
| Texas Wide Area Radio Network (TxWARN) | Project 25 Phase II | Various |
