| 1 | MKG | Mekong Aviation JSC (Air Mekong) | IATA: P8, Callsign: Air Mekong, IATA Prefix: 819, Ceased operations on 01 March 2013. AOC revoked January 2015. ICAO callsign changed from Mekong | VN | AVCODES |
| 2 | MKG | Mekong Aviation JSC (Air Mekong) | IATA: P8, Callsign: Mekong, IATA Prefix: 819, ICAO callsign changed to Air Mekong | VN | AVCODES |
| 3 | MKGA | MK GAS CO | | | SCAC4 |
| 4 | MKGB | MAVERICK TRUCKING INC | | | SCAC4 |
| 5 | MKGE | MUSICK TRUCKING CO | | | SCAC4 |
| 6 | MKGF | MAK LOGISTICS LLC | | | SCAC4 |
| 7 | MKGH | MINERAL KING TRANSPORTATION LLC | | | SCAC4 |
| 8 | MKGL | MCCLAIN, TIM TRUCKING | | | SCAC4 |
| 9 | MKGM | M A C TRUCKING LTD | | | SCAC4 |
| 10 | MKGN | MIKES GLASS & MIRROR CO INC | | | SCAC4 |
| 11 | MKGO | MIMI TRUCKING LLC | | | SCAC4 |
| 12 | MKGS | MARKET LOGISTICS (DIV OF MARKET TRA | | | SCAC4 |
| 13 | MKGU | GATI COAT TO COAST | | | SCAC4 |
| 14 | MKGV | M A S TRUCKING SERVICES CORP | | | SCAC4 |
| 15 | MKGX | North American Car Corp. | added 10/1960; 4/1961-1/1975; eliminated 10/1979 | | NAKINA |
| 16 | MKGX | North American Car Corp. | added 10/60; 4/61-1/75 | | NRHS |
| 17 | MKGX | NORTH AMERICAN CAR CORP. | | | PWRC |
