| 1 | AWX | Aerodrome Standards 2 | Callsign: Allweather, Name changed to CAA Directorate of Airspace Policy (IFP) | GB | AVCODES |
| 2 | AWX | CAA Directorate of Airspace Policy (IFP) | Callsign: Allweather, Name changed from Aerodrome Standards 2 | GB | AVCODES |
| 3 | AWX | Air Xpress, Inc. | Callsign: Airex, | USA | AVCODES |
| 4 | AWXM | ATW TRANSPORTATION LLC | | | SCAC4 |
| 5 | AWXN | AMERICAN WAY TRANSPORTATION | | | SCAC4 |
| 6 | AWXP | ARROW EXPRESS | | | SCAC3 |
| 7 | AWXP | AIRWOLF EXPRESS | | | SCAC4 |
| 8 | AWXR | AWARD TRANSPORT INC | | | SCAC4 |
| 9 | AWXT | AMBER TOWING AND TRANSPORT | | | SCAC4 |
| 10 | AWXU | ALASKA WEST EXPRESS INC. | | USA | BIC |
| 11 | AWXU | Alaska West Express | | | RSRV |
| 12 | AWXU | ALASKA WEST EXPRESS, INC. | | | SCAC3 |
| 13 | AWXU | ALASKA WEST EXPRESS INC | | | SCAC4 |
| 14 | AWXX | East Carbon Development Co. | 7/2005 (not listed); added 7/2008 | | NAKINA |
| 15 | AWXX | EAST CARBON DEVELOPMENT CO. | | | PWRC |
| 16 | AWXX | East Carbon Development | | | RSRV |
| 17 | AWXX | EAST CARBON DEVELOPMENT COMPANY | | | SCAC4 |
