| 1 | WLD | Wilderness Airline (1975) Ltd. | Callsign: Wilderness, | CDN | AVCODES |
| 2 | WLD | Wilderness Air South Africa (Pty) Ltd | Callsign: Wilderness, | ZA | AVCODES |
| 3 | WLDB | WELLS DAIRY INC (BROKERAGE DIV) | | | SCAC4 |
| 4 | WLDC | WESSCO INTERNATIONAL | | | SCAC4 |
| 5 | WLDD | WALL, DIEDRICH | | | SCAC4 |
| 6 | WLDE | WILSON DELIVERY SERVICE, INC | | | SCAC1 |
| 7 | WLDN | WELDON WOODWORK | | | SCAC4 |
| 8 | WLDQ | WELLS DAIRY INC | | | SCAC4 |
| 9 | WLDS | WORLD SHIP SUPPLY (TEXAS) INC | | | SCAC4 |
| 10 | WLDT | WILLIAMSON, EDWARD A TRUCKING | | | SCAC4 |
| 11 | WLDX | Weldship Corp. | 7/2000-7/2005 (not listed) | | NAKINA |
| 12 | WLDX | Weldship Corp. | Jul-00 | | NRHS |
| 13 | WLDX | WELDSHIP CORP. | | | PWRC |
| 14 | WLDX | Weldship Corporation | | | RSRV |
| 15 | WLDX | WELDSHIP CORPORATION | | | SCAC4 |
