| 1 | MCK | Macair Airlines | IATA: CC, IATA Prefix: 374, Founded in 1992. Ceased operations in 29 January 2009. | AUS | AVCODES |
| 2 | MCK | aeroways GmbH | Callsign: Maverick, | D | AVCODES |
| 3 | MCK | Macair Airlines | IATA: CC | | ICAO1 |
| 4 | MCKB | MCKEE, BOBBY TRUCKING | | | SCAC4 |
| 5 | MCKD | MCNAUGHTON, I D TRUCKING LIMITED | | | SCAC4 |
| 6 | MCKE | MCKENZIE TANK LINES, INC | | | SCAC4 |
| 7 | MCKH | MCKINLEY HATCHERY LTD | | | SCAC4 |
| 8 | MCKK | MCKAY TRUCKING INC | | | SCAC4 |
| 9 | MCKM | MCKIMM MILK TRANSIT INC | | | SCAC4 |
| 10 | MCKN | MCKENZIE, RONALD B | | | SCAC4 |
| 11 | MCKP | MERCER TRUCKING COMPANY INC | | | SCAC4 |
| 12 | MCKQ | MCK SCHULIST EXPRESS LLC | | | SCAC4 |
| 13 | MCKR | MCKEIL MARINE LIMITED | | | SCAC4 |
| 14 | MCKS | MILLER, CLEM TRUCKING COMPANY | | | SCAC4 |
| 15 | MCKT | McKINLAY TRANSPORT LIMITED | | | SCAC1 |
| 16 | MCKU | MOUNTAIN CONTAINER TRADING INC | | USA | BIC |
| 17 | MCKU | Mc Kinney Containers | | | RSRV |
| 18 | MCKU | MC KNNEY CONTAINERS | | | SCAC4 |
| 19 | MCKV | MICKELS TRUCKING COMPANY INC | | | SCAC4 |
| 20 | MCKW | MCKAY BROS FARM IMPLEMENTS LTD | | | SCAC4 |
| 21 | MCKZ | MCKESSON CHEMICAL CO. | | | PWRC |
