| 1 | WLB | Wings of Lebanon S.a.l. | IATA: L4, Designator L4 recalled by IATA | RL | AVCODES |
| 2 | WLB | Wings of Lebanon S.a.l. | IATA: W7, Temporarily suspended operation on 26 August 2020. Designator L4 recalled by IATA | RL | AVCODES |
| 3 | WLB | Wings of Lebanon Aviation | | | ICAO1 |
| 4 | WLB | WOLFS BUS LINES INC | | | SCAC4 |
| 5 | WLB | Lokalbahn Wien-Baden | City: Wien | A | TRAFFIC |
| 6 | WLB | Wiener Lokalbahnen AG | | AT | VKM |
| 7 | WLBA | WDI LOGISTICS AND BROKERAGE | | | SCAC4 |
| 8 | WLBF | WEST LINCOLN BARNBOARD & ANTIQUE FL | | | SCAC4 |
| 9 | WLBG | WILLIAMS, ALBERT TRUCKING INC | | | SCAC4 |
| 10 | WLBI | WELLNESS BELTS INC | | | SCAC4 |
| 11 | WLBK | WILLOWBROOK NURSERIES INC | | | SCAC4 |
| 12 | WLBL | WLB LIVESTOCK | | | SCAC4 |
| 13 | WLBN | WALBON LOGISTICS INC | | | SCAC4 |
| 14 | WLBQ | WILLIAMSBURG TRANSPORT, INC | | | SCAC1 |
| 15 | WLBY | WILLOUGHBY INC | | | SCAC4 |
