| 1 | WEB | Webjet Linhas Aéreas | IATA: WJ, Callsign: Webjet, IATA designator changed to WH*. | BR | AVCODES |
| 2 | WEB | Webjet Linhas Aéreas | IATA: WH, Callsign: Webjet, Founded in 2005. Ceased operations on 23 November 2012. Designator WH* reinstated by IATA. IATA designator changed from WJ* | BR | AVCODES |
| 3 | WEB | WebJet Linhas Aéreas | IATA: WJ | | ICAO1 |
| 4 | WEBA | Westerwaldbahn GmbH | Steinebach | D | privat-bahn.de |
| 5 | WEBA | WEBA: Westerwaldbahn GmbH | | D | TRAFFIC |
| 6 | WEBA | Westerwaldbahn | | DE | VKM |
| 7 | WEBC | WEBER TRUCK AND WAREHOUSE | | | SCAC1 |
| 8 | WEBC | WEBB LOGISTICS LLC | | | SCAC4 |
| 9 | WEBE | WEST BEND TRANSIT & SERVICE COMPANY | | | SCAC1 |
| 10 | WEBE | WEST BEND TRANSIT & | | | SCAC4 |
| 11 | WEBF | WILD EYES BOAR FARM | | | SCAC4 |
| 12 | WEBG | WEBSTER & GARNER INC | | | SCAC4 |
| 13 | WEBM | WEBB CO INC, THE | | | SCAC4 |
| 14 | WEBN | WESTERN GRAIN DRYER INC | | | SCAC4 |
| 15 | WEBQ | WEST COAST FLORAL GROWERS & DISTRIB | | | SCAC4 |
| 16 | WEBU | AVES ONE AG | | D | BIC |
