| 1 | MKN | Mekong Airlines Co. Ltd. | IATA: M8, Callsign: Mekong Airlines, Ceased Operations in October 2003. Name changed from Yana Airlines Co. Ltd. | K | AVCODES |
| 2 | MKN | Mekong Airlines | | | ICAO1 |
| 3 | MKNA | MCKONNEN AUTO CARRIERS | | | SCAC4 |
| 4 | MKNC | MONTANI TRUCKING INC | | | SCAC4 |
| 5 | MKND | MCKEND | | | SCAC4 |
| 6 | MKNE | MACKENZIE | | | SCAC4 |
| 7 | MKNG | MACCHIA TRUCKING | | | SCAC1 |
| 8 | MKNL | MCKINLEY TRUCKING CO INC | | | SCAC4 |
| 9 | MKNN | MACKINNON, RUSSELL J | | | SCAC4 |
| 10 | MKNO | MACKINNON TRANSPORT INC | | | SCAC4 |
| 11 | MKNR | Mackenzie Northern Railway | | | RSRV |
| 12 | MKNT | MCKINNEY TRAILER RENTAL | | | SCAC4 |
| 13 | MKNW | MT. KISCO-NEW YORK EXPRESS CO | | | SCAC1 |
| 14 | MKNW | MOUNT KISCO-NEW YORK EXPRESS CO, IN | | | SCAC4 |
