| 1 | WSF | West African Airlines | IATA: WZ, IATA designator changed to WZ | DY | AVCODES |
| 2 | WSF | West African Airlines | IATA Prefix: 682, Designator WZ recalled by IATA. IATA designator changed from WZ* | DY | AVCODES |
| 3 | WSF | West African Airlines | IATA: WZ | | ICAO1 |
| 4 | WSFB | WESTERN STATES FREIGHT | | | SCAC4 |
| 5 | WSFI | WALLIS FLATS INC | | | SCAC4 |
| 6 | WSFO | WES-FLO COMPANY INC | | | SCAC4 |
| 7 | WSFT | WATKINS AND SHEPARD TRUCKING INC (F | | | SCAC4 |
| 8 | WSFX | W.S. Forbes & Co., Inc. | 8/1920 | | NAKINA |
| 9 | WSFX | W. S. FORBES & CO. INC. | | | PWRC |
