| 1801 | WGBX | W. G. Block | | | RSRV |
| 1802 | WGCD | WAGON COMPANY SA DE CV, THE | | | SCAC4 |
| 1803 | WGCN | WHITING GROUP OF CANADA INC | | | SCAC4 |
| 1804 | WGCO | WESTERN GECO LLC | | | SCAC4 |
| 1805 | WGCP | WEGO COURIERS | | | SCAC4 |
| 1806 | WGCQ | WILHELM TRUCKING | | | SCAC4 |
| 1807 | WGCR | Wiregrass Central R.R. Co. | added 4/1988; 1/1994-7/2005 | | NAKINA |
| 1808 | WGCR | Wiregrass Central R.R. Co. | added 4/88; 1/94-7/2000 | | NRHS |
| 1809 | WGCR | WIREGRASS CENTRAL RAILROAD CO. | | | PWRC |
| 1810 | WGCR | Wiregrass Central Railroad | | | RSRV |
| 1811 | WGCR | WIREGRASS CENTRAL RAILWAY LLC | | | SCAC4 |
| 1812 | WGCR | Wiregrass Central Railroad | | USA | TRAFFIC |
| 1813 | WGCS | WILLSON TRUCKING | | | SCAC4 |
| 1814 | WGCU | WILHELM GROTE INTERNATIONAL | | | SCAC4 |
| 1815 | WGEA | WARNERT RACING INC | | | SCAC4 |
| 1816 | WGEN | WONG, MATHEW | | | SCAC4 |
| 1817 | WGEP | WILSON, GALEN E PETROLEUM CO | | | SCAC4 |
| 1818 | WGER | WILLIAMS, GENE R | | | SCAC1 |
| 1819 | WGER | WILLIAMS, GENE R TRUCKING INCORPORA | | | SCAC4 |
| 1820 | WGES | WADE, GARY ENTERPRIZES INC | | | SCAC4 |
| 1821 | WGET | WEST GARDINER BEEF | | | SCAC4 |
| 1822 | WGFK | WARREN, GARRY & FAMILY TRUCKING LLC | | | SCAC4 |
| 1823 | WGFX | Willard Grain & Feed Inc. | added 7/1984; 1/1994; 7/2000 (not listed) | | NAKINA |
| 1824 | WGFX | Willard Grain & Feed Inc. | added 7/84; 1/94-7/2000 | | NRHS |
| 1825 | WGFX | WILLARD GRAIN & FEED INC. | | | PWRC |
| 1826 | WGFX | Willard Grain and Feed | | | RSRV |
| 1827 | WGGN | WESTERN MOTOR FREIGHT INC | | | SCAC4 |
| 1828 | WGGP | WESTERN SHIPPING (HK) LTD | | | SCAC4 |
| 1829 | WGHM | WALL GRAIN HANDLING SYSTEMS LTD | | | SCAC4 |
| 1830 | WGHT | WIGHT, I S & SONS TRUCKING LTD | | | SCAC4 |
| 1831 | WGIB | WILLSON-GREEN INTERNATIONAL INC | | | SCAC4 |
| 1832 | WGIH | WILDLIFE GALLERY INC, THE | | | SCAC4 |
| 1833 | WGII | WAGNER INDUSTRIES INC | | | SCAC4 |
| 1834 | WGJA | WATERHOUSE, GARY & JANICE | | | SCAC4 |
| 1835 | WGJC | WESTGEEST, JOHN C | | | SCAC4 |
| 1836 | WGJN | WRIGHT, JOHN | | | SCAC4 |
| 1837 | WGLA | WOOJIN GLOBAL LOGISTICS USA | | | SCAC4 |
| 1838 | WGLB | WEST GA LOGISTICS INC | | | SCAC4 |
| 1839 | WGLD | WILLIAMS GOLD REFINING COMPANY OF C | | | SCAC4 |
| 1840 | WGLL | WERNER GLOBAL LOGISTICS US LLC | | | SCAC4 |
| 1841 | WGLQ | WITMER GLOBAL LOGISTICS INC | | | SCAC4 |
| 1842 | WGLS | WESTERN LOGISTICS INC | | | SCAC4 |
| 1843 | WGMA | WAGONMASTER TRANSPORTATION CO. | | | SCAC1 |
| 1844 | WGMA | WAGONMASTER TRANSPORTATION CO | | | SCAC4 |
| 1845 | WGMJ | WAGNER, M J TRUCKING | | | SCAC4 |
| 1846 | WGMK | WRIGHT, MIKE TRUCKING | | | SCAC4 |
| 1847 | WGMT | WAG-MAR TRANSPORT INC | | | SCAC4 |
| 1848 | WGN | Western Global Airlines, LLC | IATA: KD, Callsign: Western Global, Name changed to Western Global Airlines, Inc. Received Part 121 AOC on 04 August 2014. Affiliated to Finnish carrier, Nordic Globa Air. | USA | AVCODES |
| 1849 | WGN | Western Global Airlines, Inc. | IATA: KD, Callsign: Western Global, Name changed from Western Global Airlines, LLC. Received Part 121 AOC on 04 August 2014. Affiliated to Finnish carrier, Nordic Globa Air. | USA | AVCODES |
| 1850 | WGNB | WAGNER BROKERAGE | | | SCAC4 |
| 1851 | WGNE | WAGNER, LARRY W | | | SCAC4 |
| 1852 | WGNI | WAUKEGAN CARTAGE, INC | | | SCAC1 |
| 1853 | WGNK | WAGNER TRUCKING | | | SCAC4 |
| 1854 | WGNP | WAGNER, E S | | | SCAC4 |
| 1855 | WGNS | Wisconsin Great Northern R.R., Inc. | 7/2005 | | NAKINA |
| 1856 | WGNS | WISCONSIN GREAT NORTHERN RAILROAD, INC. | | | PWRC |
| 1857 | WGNS | WISCONSIN GREAT NORTHERN RAILROAD I | | | SCAC4 |
| 1858 | WGNS | Wisconsin Great Northern R.R., Inc. | | USA | TRAFFIC |
| 1859 | WGNU | WAY-GROUP LLC | | RUS | BIC |
| 1860 | WGNX | WISCONSIN & GREAT NORTHERN RAILROAD, INC. | | | PWRC |
| 1861 | WGNY | WALTERS, GLENN NURSERY INC | | | SCAC4 |
| 1862 | WGNZ | WARRIOR & GULF NAVIGATION CO. | | | PWRC |
| 1863 | WGOI | WALLACE GAS & OIL INC | | | SCAC4 |
| 1864 | WGOT | WAGONEER TRANSPORTATION INCORPORATE | | | SCAC4 |
| 1865 | WGP | Williams Grand Prix Racing Ltd. | Callsign: Grand Prix, Name changed to Williams Grand Prix Engineering Ltd. | GB | AVCODES |
| 1866 | WGP | Williams Grand Prix Engineering Ltd. | Callsign: Grand Prix, Name changed from Williams Grand Prix Racing Ltd. | GB | AVCODES |
| 1867 | WGP | Williams Grand Prix Engineering | | | ICAO1 |
| 1868 | WGPK | WAGUESPACK OIL COMPANY INC | | | SCAC4 |
| 1869 | WGR | Willamina & Grand Ronde Ry. Co. | added 4/1988; 1/1994-7/2000; eliminated 10/2003 | | NAKINA |
| 1870 | WGR | Williamette Valley R.R. Co. | added 10/2003; 7/2005 | | NAKINA |
| 1871 | WGR | Willamina & Grand Ronde Ry. Co. | added 4/88; 1/94-7/2000 | | NRHS |
| 1872 | WGR | WILLIAMETTE VALLEY RAILWAY CO. [WILLAMINA & GRAND RONDE RAILWAY COMPANY, INC.] | | | PWRC |
| 1873 | WGR | Willamina & Grand Ronde Railway | | | RSRV |
| 1874 | WGRA | WAGNER, R A TRUCKING COMPANY INC | | | SCAC4 |
| 1875 | WGRC | WAGGONERS, INC. | | | SCAC4 |
| 1876 | WGRI | WIGGERS FARMS | | | SCAC4 |
| 1877 | WGRN | WALTERS GRAIN AND SUPPLY INC | | | SCAC4 |
| 1878 | WGRQ | WINDING ROAD TRANSPORTATION INC | | | SCAC4 |
| 1879 | WGRR | Willamina & Grand Ronde R.R. Co. | added 1/1981; eliminated 4/1986 | | NAKINA |
| 1880 | WGRR | Willamina & Grand Ronde R.R. Co. | added 1/81; eliminated 4/86 | | NRHS |
| 1881 | WGRR | WILLAMETTE VALLEY RAILWAY [WILLAMINA & GRAND RONDE RAILWAY COMPANY, INC.] | | | PWRC |
| 1882 | WGRR | Willamina & Grand Ronde Railway | | | RSRV |
| 1883 | WGRU | WEIL GROUP RESOURCES, LLC | | USA | BIC |
| 1884 | WGRY | Wabash & Grand River Ry. Co. | added 1/1991; eliminated 7/1991; 1/1994 | | NAKINA |
| 1885 | WGRY | Wabash & Grand River Ry. Co. | added 1/91; eliminated 7/91; 1/94 | | NRHS |
| 1886 | WGRY | WABASH & GRAND RIVER RAILWAY CO. | | | PWRC |
| 1887 | WGS | Airwings Oy | Callsign: Airwings, | FIN | AVCODES |
| 1888 | WGS | Airwings oy | | | ICAO1 |
| 1889 | WGSA | WORLD GATE SA | | | SCAC4 |
| 1890 | WGSE | WEST GRO SEEDS SERVICES LTD | | | SCAC4 |
| 1891 | WGSM | WALNUT GROVE SCHOOL OF MUSIC AND DA | | | SCAC4 |
| 1892 | WGSP | WESTERN GRACE SHIPPING LIMITED | | | SCAC4 |
| 1893 | WGSU | WG SALARI BV | | NL | BIC |
| 1894 | WGSU | WG SALARI BV | | | SCAC4 |
| 1895 | WGSX | Leonard Warden, Distributors | 1/1950-4/1961; eliminated 7/1961 | | NAKINA |
| 1896 | WGSX | Leonard Warden, Distributors | 1/52-4/61 | | NRHS |
| 1897 | WGSX | LEONARD WARDEN, DISTRIBUTORS | | | PWRC |
| 1898 | WGSY | WISMER, GARY S | | | SCAC4 |
| 1899 | WGT | Volkswagen AG, Volkswagen Air Service | Callsign: Worldgate, Name changed to Lion Air Services, Inc. (Caymen Islands). | D | AVCODES |
| 1900 | WGT | Lion Air Services, Inc. | Callsign: Worldgate, Wholly owned subsidary of Volkswagen AG. | CAY | AVCODES |
