| 1 | MHK | Al-Naser Airlines | IATA: 6N, Callsign: Al-Naser, IATA Prefix: 503, Designator 6N recalled by IATA | IRQ | AVCODES |
| 2 | MHK | Al-Naser Airlines | IATA: NR, Callsign: Al-Naser, IATA designator changed to NG. Designator 6N recalled by IATA | IRQ | AVCODES |
| 3 | MHK | Al-Naser Airlines | IATA: NG, Callsign: Al-Naser, IATA designator changed from NR. Designator 6N recalled by IATA | IRQ | AVCODES |
| 4 | MHKC | MOHAWK CARPET TRANSPORTATION OF GEO | | | SCAC4 |
| 5 | MHKE | MATHENA TRUCK LINES LLC | | | SCAC4 |
| 6 | MHKG | MINDHAM TRUCKING LLC | | | SCAC4 |
| 7 | MHKI | MID SOUTH TRUCK LINES INC | | | SCAC4 |
| 8 | MHKL | MAHANAY | | | SCAC4 |
| 9 | MHKM | MOHAWK MOVING & STORAGE CO | | | SCAC4 |
| 10 | MHKN | MARSHA | | | SCAC4 |
| 11 | MHKP | MIGHTON TRUCKING | | | SCAC4 |
| 12 | MHKQ | MICHAELS TRUCKING INC | | | SCAC4 |
| 13 | MHKT | MOHAWK TRUCK INC | | | SCAC4 |
| 14 | MHKU | HUNGARIAN DEFENCE FORCE - MILITARY MOVEMENT CENTRES | | H | BIC |
| 15 | MHKY | MOSCHE | | | SCAC4 |
