| 1 | WFC | Swift Copters SA | Callsign: Swiftcopters, | CH | AVCODES |
| 2 | WFC | Swift Copters | | | ICAO1 |
| 3 | WFCC | WESTERN FISH COMPANY INC | | | SCAC4 |
| 4 | WFCI | WILSON FUEL CO INC | | | SCAC4 |
| 5 | WFCL | WESTFAIR FUEL CO LLC | | | SCAC4 |
| 6 | WFCP | WFC TRANSPORT | | | SCAC4 |
| 7 | WFCR | WESTERN FREIGHT CARRIER | | | SCAC4 |
| 8 | WFCX | Western Fruit Express Co. | added 1/1961; 4/1961-4/1970; eliminated 4/1974; 1/1975 | | NAKINA |
| 9 | WFCX | Western Farmers Electric Corp. | added 7/1981; 1/1994 | | NAKINA |
| 10 | WFCX | Western Farmers Electric Cooperative | 7/2000-7/2005 | | NAKINA |
| 11 | WFCX | Western Fruit Express Co. | 4/61-4/70; eliminated 4/74; 1/75 | | NRHS |
| 12 | WFCX | Western Farmers Electric Corp. | added 7/81; 1/94 | | NRHS |
| 13 | WFCX | Western Farmers Electric Cooperative | Jul-00 | | NRHS |
| 14 | WFCX | *WESTERN FRUIT EXPRESS CO. | | | PWRC |
| 15 | WFCX | +WESTERN FARMERS ELECTRIC COOPERATIVE | | | PWRC |
| 16 | WFCX | *WEST VIRGINIA CENTRAL RAILROAD | | | PWRC |
| 17 | WFCX | Western Farmers Electric Cooperative | | | RSRV |
| 18 | WFCX | WESTERN FARMERS ELECTRIC COOPERATIV | | | SCAC4 |
