| 1 | WAM | West African Air Services | Callsign: Westair Mail, | RMM | AVCODES |
| 2 | WAM | Westair de Mexico | Callsign: Westair, | MEX | AVCODES |
| 3 | WAM | Air Taxi & Cargo | | SUD | AVCODES |
| 4 | WAM | Air Taxi & Cargo | | | ICAO1 |
| 5 | WAMA | WUNDERLICH AMERICA | | | SCAC4 |
| 6 | WAMG | WARD MOVING & STORAGE OF MINOT INC | | | SCAC4 |
| 7 | WAMI | WELLES, A M INC | | | SCAC4 |
| 8 | WAMM | W A M TRANSPORTATION INC | | | SCAC4 |
| 9 | WAMX | Webb Asset Management | 7/2000-7/2005 (not listed); added 4/2006 | | NAKINA |
| 10 | WAMX | Webb Asset Management | Jul-00 | | NRHS |
| 11 | WAMX | WEBB ASSET MANAGEMENT | | | PWRC |
| 12 | WAMX | Webb Asset Management | | | RSRV |
| 13 | WAMX | Webb Asset Management | | USA | TRAFFIC |
