| 1 | WMT | Wizz Air Malta Limited | IATA: W4, Callsign: Wizzairmalta, | M | AVCODES |
| 2 | WMTB | WILLIAMS TRUCKING | | | SCAC4 |
| 3 | WMTE | WINNIPEG MOTOR EXPRESS INC | | | SCAC4 |
| 4 | WMTF | WILLIAMS TRANSFER AND STORAGE | | | SCAC4 |
| 5 | WMTI | WESTMORELAND TRANSPORTATION INC | | | SCAC4 |
| 6 | WMTJ | WEBER MANUFACTURING TECHNOLOGIES IN | | | SCAC4 |
| 7 | WMTL | WILLIAMS TANK LINES INC | | | SCAC4 |
| 8 | WMTN | WILLIAMS TRANSPORTATION SERVICE INC | | | SCAC4 |
| 9 | WMTP | WILLIAMS TRANSPORTATION AND STORAGE | | | SCAC4 |
| 10 | WMTQ | WILLIAMS, MIKE TRUCKING LLC | | | SCAC4 |
| 11 | WMTR | WAYMORE TRANSPORTATION INC | | | SCAC4 |
| 12 | WMTS | WILLIAMS TRANSPORTATION AND STORAGE | | | SCAC4 |
| 13 | WMTU | MAREK WOLFGANG TRANSPORTE GMBH | | | SCAC4 |
| 14 | WMTZ | WAL-MART STORES INC | | | SCAC4 |
