| 1 | WFL | world2fly, S.L.U. | IATA: 2W, Callsign: Blue World, | E | AVCODES |
| 2 | WFL | Wedler&Franz GbR Lokdienstleistungen | Potsdam | D | privat-bahn.de |
| 3 | WFL | Wedler & Franz Logistic Gmbh & co KG | | D | TRAFFIC |
| 4 | WFL | Wedler & Franz Logistik GmbH&co.KG | | DE | VKM |
| 5 | WFLC | WARTHEN FUEL CO INC | | | SCAC4 |
| 6 | WFLD | WILDFIRE LOGISTICS LTD | | | SCAC4 |
| 7 | WFLE | WINDWARD FLUTES | | | SCAC4 |
| 8 | WFLH | WESTFAL LARSEN SHIPPING US INC | | | SCAC4 |
| 9 | WFLI | W F LOGISTICS | | | SCAC4 |
| 10 | WFLN | W FIVE (W5) LOGISTICS INC | | | SCAC4 |
| 11 | WFLR | WINDSTONE FARMS LLC | | | SCAC4 |
| 12 | WFLS | WESTERN FLEET SERVICES | | | SCAC4 |
| 13 | WFLT | WOODVILLE FARMS LIMITED | | | SCAC4 |
| 14 | WFLX | West Fork Logging Co. | 7/1937-1/1943 | | NAKINA |
| 15 | WFLX | St. Regis Paper Co., West Fork Logging Division | 1/1950-7/1954; eliminated 4/1956 | | NAKINA |
| 16 | WFLX | West Fork Logging Co. | Apr-38 | | NRHS |
| 17 | WFLX | St. Regis Paper Co., West Fork Logging Division | Jan-52 | | NRHS |
| 18 | WFLX | ST. REGIS PAPER CO., WEST FORK LOGGING DIV. | | | PWRC |
| 19 | WFLY | WESTERN FLYER EXPRESS, INC | | | SCAC1 |
| 20 | WFLY | WESTERN FLYER EXPRESS INC | | | SCAC4 |
