| ACS Wireless | Dobson | Snake River PCS |
| All West Wireless | Farmer's Mutual | South PC Management |
| Appalachian Wireless | General Communications | South Central Syringa |
| Bluegrass Cellular | Golden State Cellular | Thumb Cellular |
| Cambridge Telecom | Inland Cellular | UBET Wireless |
| Cellcom | Illinois Valley Cellular | nTelos |
| Centennial | Nex-Tech Wireless | Unicel |
| Cincinnati Bell | Revol | United Wireless |
| Cellular One of East Central IL | Silver Star PCS (Gold Star) | West Central Wireless |