| 2301 | WIKB | WILKINS TRUCKING CO INC | | | SCAC4 |
| 2302 | WIKE | WIKEL BULK EXPRESS INC | | | SCAC4 |
| 2303 | WIKI | WINK INCORPORATED | | | SCAC4 |
| 2304 | WIKL | WILKING | | | PWRC |
| 2305 | WIKU | HONEYTAK INTERMODAL LIMITED | | PRC | BIC |
| 2306 | WIKU | TEXTAINER INC. | | | PWRC |
| 2307 | WIKU | Textainer | | | RSRV |
| 2308 | WIKW | WILKENS, WAYNE TRUCKING | | | SCAC4 |
| 2309 | WIL | West Isle Air, Inc. | IATA: W6, Callsign: West-Isle Air, Ceased operations. | USA | AVCODES |
| 2310 | WIL | Aero Air | | | ICAO1 |
| 2311 | WILBUS | Wilbus | City: Wilmette | USA | TRAFFIC |
| 2312 | WILC | WILCOX BODIES LIMITED | | | SCAC4 |
| 2313 | WILD | WILLIAMSON DISTRIBUTORS INC | | | SCAC4 |
| 2314 | WILGA | Stowarzyszenie Przewoźników Drogowych Powiatu Otwockiego "Wilga Bus" | City: Warszawa | PL | TRAFFIC |
| 2315 | WILH | WILHELM TRUCKING CO | | | SCAC4 |
| 2316 | WILJ | WHITACRE INTERMODAL LLC | | | SCAC4 |
| 2317 | WILK | WILKINS, BARRY L | | | SCAC4 |
| 2318 | WILLETTS | Willetts Tours | | USA | TRAFFIC |
| 2319 | WILLIAMS | Circus Williams | | FAN | TRAFFIC |
| 2320 | WILLOW | Willow Bus | | USA | TRAFFIC |
| 2321 | WILM | WILLIAMS, J MYRON INC | | | SCAC4 |
| 2322 | WILM | Wilmobil AG | | CH | TRAFFIC |
| 2323 | WILP | WA II L P | | | SCAC4 |
| 2324 | WILQ | WILLS TRUCKING | | | SCAC4 |
| 2325 | WILR | WILLIAMS, RICHARD T & SON | | | SCAC4 |
| 2326 | WILU | ONE WAY LEASE INC | | | SCAC4 |
| 2327 | WILW | WILLOW RIDGE FARM | | | SCAC4 |
| 2328 | WILX | Wilshire Oil Co., Inc. | 1/1945-1/1946 | | NAKINA |
| 2329 | WILX | Wilford and Sands | added 7/1961; eliminated 7/1962 | | NAKINA |
| 2330 | WILX | Wilmeth Petroleum Co. | added 7/1962; eliminated 1/1965 | | NAKINA |
| 2331 | WILX | Wilmeth Petroleum Co. | eliminated 1/65 | | NRHS |
| 2332 | WILX | *WILSHIRE OIL CO., INC. | | | PWRC |
| 2333 | WILX | *WILFORD & SANDS | | | PWRC |
| 2334 | WILX | *WILMETH PETROLEUM CO. | | | PWRC |
| 2335 | WILY | WILLARD OIL COMPANY INC | | | SCAC4 |
| 2336 | WILZ | WILLIAMETTE INDUSTRIES | | | PWRC |
| 2337 | WIM | Washington, Idaho & Montana Ry. Co. | 1/1975-1/1980; eliminated 7/1981 | | NAKINA |
| 2338 | WIM | Washington, Idaho & Montana Ry. Co. | 1/75-1/80; eliminated 7/81 | | NRHS |
| 2339 | WIM | WASHINGTON, IDAHO & MONTANA RAILWAY CO. | | | PWRC |
| 2340 | WIM | LML Industriemuseum | | DE | VKM |
| 2341 | WIMM | WIMMER TRANSPORTATION SERVICES | | | SCAC4 |
| 2342 | WIMV | WINNIPEG MOVING | | | SCAC4 |
| 2343 | WIMX | Wimpey Minerals USA, Inc. | 7/2000 (not listed) | | NAKINA |
| 2344 | WIMX | Pennsy Supply Inc. | added 1/2004; eliminated 4/2004; 7/2005 (not listed) | | NAKINA |
| 2345 | WIMX | Wimpey Minerals USA, Inc. | Jul-00 | | NRHS |
| 2346 | WIMX | *WIMPEY MINERALS USA INCORPORATED | | | PWRC |
| 2347 | WIMX | +PENNSY SUPPLY INC. | | | PWRC |
| 2348 | WIMX | Pennsylvania Lime | | | RSRV |
| 2349 | WIMX | PENNSY SUPPLY INC | | | SCAC4 |
| 2350 | WIN | Winlink (St. Lucia) Limited | Callsign: Winlink, | WL | AVCODES |
| 2351 | WIN | TM Aerolineas, S.A. de C.V. t/a Awesome Cargo | Callsign: Teme Airlines, | MEX | AVCODES |
| 2352 | WIN | Winlink | | | ICAO1 |
| 2353 | WIN | WINN BUS LINES INC | | | SCAC4 |
| 2354 | WIN | Windhoff Bahn- und Anlagentechnik GmbH | | DE | VKM |
| 2355 | WINA | WALKER INTERNATIONAL TRANSPORTATION | | | SCAC4 |
| 2356 | WINB | WILDEINEST INC | | | SCAC4 |
| 2357 | WINC | Wincanton Rail | | D | TRAFFIC |
| 2358 | WIND | WINDMILL EXPRESS LLC | | | SCAC4 |
| 2359 | WINDS | Windsor (Ontario) Transport | | CDN | TRAFFIC |
| 2360 | WINDT | Transit Windsor | | CDN | TRAFFIC |
| 2361 | WINF | WINDWAY INC | | | SCAC4 |
| 2362 | WINI | WINDSUR INTERNATIONAL INC | | | SCAC4 |
| 2363 | WINI | | City: Winnipeg | USA | TRAFFIC |
| 2364 | WINJ | WINMUIR INC | | | SCAC4 |
| 2365 | WINN | WIN TRUCKING | | | SCAC4 |
| 2366 | WINN | Vinnytsia | | UA | TRAFFIC |
| 2367 | WINP | WINCHESTER PRINT | | | SCAC4 |
| 2368 | WINP | Winnipeg Transit | City: Winnipeg | CDN | TRAFFIC |
| 2369 | WINR | Wincanton Rail GmbH | | DE | VKM |
| 2370 | WINT | WINTERS TRUCKING | | | SCAC4 |
| 2371 | WINT | Stadtbus Winterthur | City: Winterthur | CH | TRAFFIC |
| 2372 | WINV | WINE, E E INC | | | SCAC4 |
| 2373 | WINW | WIND | | | SCAC4 |
| 2374 | WIOA | WESTERN DIRECT LOGISTICS AND TRANSP | | | SCAC4 |
| 2375 | WIPL | WINDSOR PALLET LIMITED | | | SCAC4 |
| 2376 | WIPR | WISCONSIN PETROLEUM TRANSPORT INC | | | SCAC4 |
| 2377 | WIPU | PT.INDONESIA WEDA BAY INDUSTRIAL PARK | | RI | BIC |
| 2378 | WIQO | WILCO TRANSPORTATION LLC | | | SCAC4 |
| 2379 | WIR | WASHINGTON & IDAHO RAILWAY INC. | | | PWRC |
| 2380 | WIR | WASHINGTON & IDAHO RAILWAY INC | | | SCAC4 |
| 2381 | WIRA | WINTECH RACING | | | SCAC4 |
| 2382 | WIRAZ | Wiraż-Bus | | PL | TRAFFIC |
| 2383 | WIRD | WILRIDE TRANSPORT LTD | | | SCAC4 |
| 2384 | WIRN | WINTER, RON TRUCKING | | | SCAC4 |
| 2385 | WIRO | WIEBE ROMANIA SRL | | RO | VKM |
| 2386 | WIRR | WEBER INDUSTRY | | | PWRC |
| 2387 | WIRT | WIRTZ TRUCKING AND RIGGING CORPORATION | | | SCAC1 |
| 2388 | WIRT | WIRTZ TRUCKING AND RIGGING CORPORAT | | | SCAC4 |
| 2389 | WIS | Pro Aire Cargo And Consulting, Inc. d/b/a Paccair | Callsign: Wiscair, | USA | AVCODES |
| 2390 | WIS | Paccair | | | ICAO1 |
| 2391 | WIS | Wismut | | D | TRAFFIC |
| 2392 | WIS | Wismut GmbH | | DE | VKM |
| 2393 | WISA | WILLIAMS SAUSAGE COMPANY INC | | | SCAC4 |
| 2394 | WISA | Wagons Industriels SA | | CH | VKM |
| 2395 | WISB | WILLISTON SCOBEY TRANSFER | | | SCAC4 |
| 2396 | WISD | WISCONSIN DEPT. OF TRANSPORTATION | | | PWRC |
| 2397 | WISE | WISE TRUCKING INC | | | SCAC4 |
| 2398 | WISG | W I S LOGISTICS | | | SCAC4 |
| 2399 | WISI | WISE CO INC, THE | | | SCAC4 |
| 2400 | WISKO | WISKOL Sołtys Waldemar, Sołtys Jarosław Sp. Jawna | | PL | VKM |
