| 1 | WEL | Veles, Ukrainian Aviation Company LLC | Callsign: Veles, | UA | AVCODES |
| 2 | WEL | Veles, Ukrainian Aviation Company | | | ICAO1 |
| 3 | WELE | WELESKI TRANSFER INC | | | SCAC4 |
| 4 | WELF | WELO FREIGHT | | | SCAC4 |
| 5 | WELG | WEL LOGISTICS INC | | | SCAC4 |
| 6 | WELH | WELCOME HAULING | | | SCAC4 |
| 7 | WELI | WETSEL INC | | | SCAC4 |
| 8 | WELJ | WILLAMETTE EXPRESS LTD | | | SCAC4 |
| 9 | WELK | WADLSTON ENT LLC | | | SCAC4 |
| 10 | WELL | WELLS TRUCK SERVICE INC | | | SCAC4 |
| 11 | WELM | WELCOME TRANSPORTATION INC | | | SCAC4 |
| 12 | WELN | WHITE EAGLE LOGISTICS INC | | | SCAC4 |
| 13 | WELQ | WAGNER ENTERPRISES LLC | | | SCAC4 |
| 14 | WELR | WERMAC ELECTRIC (1994) LTD | | | SCAC4 |
| 15 | WELS | WELLS CARGO, INC | | | SCAC1 |
| 16 | WELT | WELLING TRUCK SERVICE INC | | | SCAC4 |
| 17 | WELU | WELCOR S.A. | | ROU | BIC |
| 18 | WELV | W EXPRESS LOGISTICS LLC | | | SCAC4 |
| 19 | WELX | Welland Chemical, Inc. | added 1/1984; eliminated 1/1989 | | NAKINA |
| 20 | WELX | White Equipment Leasing Corp. | 7/2000-7/2005 (not listed) | | NAKINA |
| 21 | WELX | Welland Chemical, Inc. | eliminated 1/89 | | NRHS |
| 22 | WELX | White Equipment Leasing Corp. | Jul-00 | | NRHS |
| 23 | WELX | *WELLAND CHEMICAL, INC. | | | PWRC |
| 24 | WELX | +WHITE EQUIPMENT LEASING CORP. | | | PWRC |
| 25 | WELX | Welland Chemical | | | RSRV |
| 26 | WELX | WHITE EQUIPMENT LEASING CORP | | | SCAC4 |
| 27 | WELY | WILLOW EXPRESS LTD | | | SCAC4 |
| 28 | WELZ | WELCOME ELEVATOR | | | PWRC |
