| 1 | WLM | VLM Airlines d.d. | IATA: VO, Callsign: Ribica, AOC granted 11 May 2017. 100% owned by SHS Antwerp Aviation NV. | SLO | AVCODES |
| 2 | WLMB | WELLMAX LOGISTICS COMPANY LTD | | | SCAC4 |
| 3 | WLMC | WILLIAMS, HOWARD AND CO | | | SCAC4 |
| 4 | WLME | WILLIAMS EXPEDITE | | | SCAC4 |
| 5 | WLMG | WILLIAMS, SCOTT D TRUCKING INC | | | SCAC4 |
| 6 | WLMH | WALTERMANS MOBILE HOME TRANSPORT IN | | | SCAC4 |
| 7 | WLMJ | WILLIAMS, J H OIL COMPANY INC | | | SCAC4 |
| 8 | WLMM | WILLIAMS MOVING & STORAGE INC | | | SCAC4 |
| 9 | WLMN | WILLIAMS TRANSPORTATION INC | | | SCAC4 |
| 10 | WLMO | WILLIAMS TRUCK BROKERAGE LLC | | | SCAC4 |
| 11 | WLMP | WILLIAMS TRANSPORT | | | SCAC4 |
| 12 | WLMQ | WILLIAMS TRUCKING | | | SCAC4 |
| 13 | WLMR | WELLMARK INTERNATIONAL | | | SCAC4 |
| 14 | WLMS | WILLIAMS, MYRON TRUCKING | | | SCAC4 |
| 15 | WLMW | WILLIAMS, WALLY TRANSPORT LIMITED | | | SCAC4 |
