| 1601 | WFCC | WESTERN FISH COMPANY INC | | | SCAC4 |
| 1602 | WFCI | WILSON FUEL CO INC | | | SCAC4 |
| 1603 | WFCL | WESTFAIR FUEL CO LLC | | | SCAC4 |
| 1604 | WFCP | WFC TRANSPORT | | | SCAC4 |
| 1605 | WFCR | WESTERN FREIGHT CARRIER | | | SCAC4 |
| 1606 | WFCX | Western Fruit Express Co. | added 1/1961; 4/1961-4/1970; eliminated 4/1974; 1/1975 | | NAKINA |
| 1607 | WFCX | Western Farmers Electric Corp. | added 7/1981; 1/1994 | | NAKINA |
| 1608 | WFCX | Western Farmers Electric Cooperative | 7/2000-7/2005 | | NAKINA |
| 1609 | WFCX | Western Fruit Express Co. | 4/61-4/70; eliminated 4/74; 1/75 | | NRHS |
| 1610 | WFCX | Western Farmers Electric Corp. | added 7/81; 1/94 | | NRHS |
| 1611 | WFCX | Western Farmers Electric Cooperative | Jul-00 | | NRHS |
| 1612 | WFCX | *WESTERN FRUIT EXPRESS CO. | | | PWRC |
| 1613 | WFCX | +WESTERN FARMERS ELECTRIC COOPERATIVE | | | PWRC |
| 1614 | WFCX | *WEST VIRGINIA CENTRAL RAILROAD | | | PWRC |
| 1615 | WFCX | Western Farmers Electric Cooperative | | | RSRV |
| 1616 | WFCX | WESTERN FARMERS ELECTRIC COOPERATIV | | | SCAC4 |
| 1617 | WFD | Avro International Aerospace | Callsign: Avro, Name changed to Woodford Flight Test | GB | AVCODES |
| 1618 | WFD | Woodford Flight Test | Callsign: Avro, Name changed to Warton Large Aircraft Flight Operations. Name changed from Avro International Aerospace | GB | AVCODES |
| 1619 | WFD | Warton Large Aircraft Flight Operations | Callsign: Avro, Name changed from Woodford Flight Test. Name changed from Avro International Aerospace | GB | AVCODES |
| 1620 | WFD | BAE Systems | | | ICAO1 |
| 1621 | WFDA | WOODLAND FURNITURE DE MEXICO S DE R | | | SCAC4 |
| 1622 | WFDB | W & F DISTRIBUTORS | | | SCAC4 |
| 1623 | WFDC | WESTERN FLYER DELIVERY SERVICE | | | SCAC4 |
| 1624 | WFDG | WOOF DESIGN LIMITED | | | SCAC4 |
| 1625 | WFDI | WOLVERINE FIREWORKS DISPLAY INC | | | SCAC4 |
| 1626 | WFDM | WHOLE FOODS MARKET | | | SCAC4 |
| 1627 | WFDO | WFD INC | | | SCAC4 |
| 1628 | WFE | Burlington Northern Inc. | added 10/1975; 1/1980; eliminated 7/1981 | | NAKINA |
| 1629 | WFE | Burlington Northern R.R. Co. | added 7/1981; eliminated 7/1985; added 10/1985; eliminated 4/1995 | | NAKINA |
| 1630 | WFE | Burlington Northern Inc. | 1/80; eliminated 7/81 | | NRHS |
| 1631 | WFE | Burlington Northern R.R. Co. | added 7/81; eliminated 4/95 | | NRHS |
| 1632 | WFE | BURLINGTON NORTHERN RAILROAD [WESTERN FRUIT EXPRESS] | | | PWRC |
| 1633 | WFE | Western Fruit Express (BNSF Railway) | | | RSRV |
| 1634 | WFE | Western Fruit Company | | USA | TRAFFIC |
| 1635 | WFED | WINTERBOTTOM FEEDS & TRUCKING | | | SCAC4 |
| 1636 | WFEI | WITHERUP FABRICATION AND ERECTION I | | | SCAC4 |
| 1637 | WFEL | WOLFEES LLC | | | SCAC4 |
| 1638 | WFET | WOLFE TRUCKING LLC | | | SCAC4 |
| 1639 | WFEX | Western Fruit Express Co. | 7/1930-1/1980; eliminated 1/1981 | | NAKINA |
| 1640 | WFEX | Western Fruit Express Co. | 4/38-1/80; eliminated 1/81 | | NRHS |
| 1641 | WFEX | WESTERN FRUIT EXPRESS CO. | | | PWRC |
| 1642 | WFEX | Western Fruit Express Co. | | USA | TRAFFIC |
| 1643 | WFFC | WILSON FREIGHT CO | | | PWRC |
| 1644 | WFFC | WOODYS FAST FREIGHT LLC | | | SCAC4 |
| 1645 | WFFP | WOLFF TRANSPORTS INC | | | SCAC4 |
| 1646 | WFFS | WESTERN FLOOR FASHIONS | | | SCAC4 |
| 1647 | WFGF | WILFONG FARMS TRUCKING LLC | | | SCAC4 |
| 1648 | WFGL | WULF, G L TRUCKING INC | | | SCAC4 |
| 1649 | WFGX | Watseka Farmers Grain Co. Co-op | added 1/2004; eliminated 4/2004; 7/2005 (not listed) | | NAKINA |
| 1650 | WFGX | WATSEKA FARMERS GRAIN CO. CO-OP | | | PWRC |
| 1651 | WFGX | WATSEKA FARMERS GRAIN COMPANY CO-OP | | | SCAC4 |
| 1652 | WFGZ | WATER FIELD GRAIN | | | PWRC |
| 1653 | WFH | Wanfeng General Aviation Co., Ltd. | Callsign: Wanfeng, | PRC | AVCODES |
| 1654 | WFHL | WESTMORLAND FISHERIES LTD | | | SCAC4 |
| 1655 | WFHU | WATERFRONT CONTAINER LEASING CO INC. | | USA | BIC |
| 1656 | WFHU | Waterfront Container Leasing | | | RSRV |
| 1657 | WFHU | WATERFRONT CONTAINER LEASING CO INC | | | SCAC4 |
| 1658 | WFHX | WILLAMETTE & FORT HILL RAILROAD | | | PWRC |
| 1659 | WFIC | WESTLAND FREIGHT INC | | | SCAC4 |
| 1660 | WFII | WATERART FITNESS INTERNATIONAL INC | | | SCAC4 |
| 1661 | WFIV | WHOLESOME FOODS INC | | | SCAC4 |
| 1662 | WFIX | West Fork Logging Co. | 7/1935 | | NAKINA |
| 1663 | WFIX | WFIX Partners | added 4/1981; eliminated 4/1988 | | NAKINA |
| 1664 | WFIX | Pullman Leasing Co. | added 4/1988; eliminated 1/1990 | | NAKINA |
| 1665 | WFIX | Itel Rail Corp. | added 1/1990; eliminated 10/1992 | | NAKINA |
| 1666 | WFIX | General Electric Railcar Services Corp. | added 10/1992; 1/1994; eliminated 1/2000 | | NAKINA |
| 1667 | WFIX | General Electric Rail Services Corp. | added 1/2000; 7/2000; eliminated 1/2001 | | NAKINA |
| 1668 | WFIX | First Union Rail | added 1/2001; 7/2005 | | NAKINA |
| 1669 | WFIX | WFIX Partners | added 4/81; eliminated 4/88 | | NRHS |
| 1670 | WFIX | Pullman Leasing Co. | added 4/88; eliminated 1/90 | | NRHS |
| 1671 | WFIX | Itel Rail Corp. | added 1/90; eliminated 10/92 | | NRHS |
| 1672 | WFIX | General Electric Railcar Services Corp. | added 10/92; 1/94; eliminated 1/2000 | | NRHS |
| 1673 | WFIX | General Electric Rail Services Corp. | added 1/2000; 7/2000; eliminated 1/2001 | | NRHS |
| 1674 | WFIX | First Union Rail | added 1/2001 | | NRHS |
| 1675 | WFIX | FIRST UNION RAIL [(NATX) GENERAL ELECTRIC RAILCAR SERVICES CORP.; ITEL RAIL CORP.; PULLMAN LEASING CO.] (WFIX PARTNERS) | | | PWRC |
| 1676 | WFIX | WFIX Partners (First Union Rail) | | | RSRV |
| 1677 | WFIX | FIRST UNION RAIL | | | SCAC4 |
| 1678 | WFJ | Museiföreningen Wadstena-Fogelsta Järnväg | | SE | VKM |
| 1679 | WFJT | WOLF, JON T | | | SCAC4 |
| 1680 | WFKL | WOLF CREEK LOGISTICS CO LLC | | | SCAC4 |
| 1681 | WFL | world2fly, S.L.U. | IATA: 2W, Callsign: Blue World, | E | AVCODES |
| 1682 | WFL | Wedler&Franz GbR Lokdienstleistungen | Potsdam | D | privat-bahn.de |
| 1683 | WFL | Wedler & Franz Logistic Gmbh & co KG | | D | TRAFFIC |
| 1684 | WFL | Wedler & Franz Logistik GmbH&co.KG | | DE | VKM |
| 1685 | WFLC | WARTHEN FUEL CO INC | | | SCAC4 |
| 1686 | WFLD | WILDFIRE LOGISTICS LTD | | | SCAC4 |
| 1687 | WFLE | WINDWARD FLUTES | | | SCAC4 |
| 1688 | WFLH | WESTFAL LARSEN SHIPPING US INC | | | SCAC4 |
| 1689 | WFLI | W F LOGISTICS | | | SCAC4 |
| 1690 | WFLN | W FIVE (W5) LOGISTICS INC | | | SCAC4 |
| 1691 | WFLR | WINDSTONE FARMS LLC | | | SCAC4 |
| 1692 | WFLS | WESTERN FLEET SERVICES | | | SCAC4 |
| 1693 | WFLT | WOODVILLE FARMS LIMITED | | | SCAC4 |
| 1694 | WFLX | West Fork Logging Co. | 7/1937-1/1943 | | NAKINA |
| 1695 | WFLX | St. Regis Paper Co., West Fork Logging Division | 1/1950-7/1954; eliminated 4/1956 | | NAKINA |
| 1696 | WFLX | West Fork Logging Co. | Apr-38 | | NRHS |
| 1697 | WFLX | St. Regis Paper Co., West Fork Logging Division | Jan-52 | | NRHS |
| 1698 | WFLX | ST. REGIS PAPER CO., WEST FORK LOGGING DIV. | | | PWRC |
| 1699 | WFLY | WESTERN FLYER EXPRESS, INC | | | SCAC1 |
| 1700 | WFLY | WESTERN FLYER EXPRESS INC | | | SCAC4 |
