| 1 | WBA | Etela-Pohjanmaan Lentokeskus Oy (West Bird Aviation) | IATA: FC, Callsign: Westbird, | FIN | AVCODES |
| 2 | WBA | Finnish Commuter Airlines Oy | IATA: FC, Callsign: Westbird, ICAO designator changed to FCM. ICAO callsign changed to Finncomm. Name changed from Finnish Commuter Airlines Oy dba West Bird Aviation | FIN | AVCODES |
| 3 | WBA | Finnish Commuter Airlines Oy | IATA: FC, Callsign: Westbird, Name changed to Finncomm | FIN | AVCODES |
| 4 | WBA | Air Albatros | Callsign: albajet, Ceased operations. | F | AVCODES |
| 5 | WBA | Finncomm Airlines | IATA: FC | | ICAO1 |
| 6 | WBA | Wadle Bauuternehmung GmbH, Altheim | | DE | VKM |
| 7 | WBAC | WEBSTER, AL CLASSIC CARS | | | SCAC4 |
| 8 | WBAI | WRIGHT BROTHERS AERO INC | | | SCAC4 |
| 9 | WbÄJ | Varberg - Ätran Järnväg | 1911 - 1936 | S | svenska-lok.se |
| 10 | WBAO | WOOD BOYS TRANSPORT | | | SCAC4 |
| 11 | WBAV | WARBELOWS AIR VENTURES INC (AIR COD | | | SCAC4 |
