| System Name | Type | City |
|---|---|---|
| American Electric Power (AEP) P25 | Project 25 Phase II | Various |
| Chickasaw Personal Communications | DMR Tier 3 Standard | Oklahoma |
| Chickasaw Personal Communications (Tier 3) | DMR Tier 3 Standard | |
| Modern Communications Systems | LTR Standard | Velma |
| Oklahoma Wireless Interoperability Network (OKWIN) (P25) | Project 25 Phase II | Various |
