| 1 | QH | Altyn Air Airlines | {ICAO: LYN, Callsign: Altyn Avia, Name changed to Aircompany "Kyrgyzstan"};SRCKEY=AVCODES | KS | |
| 2 | QH | OJSC Air Kyrgyzstan | {ICAO: LYN, Callsign: Altyn Avia, Name changed from Aircompany "Kyrgyzstan". Name changed from Altyn Air Airlines};SRCKEY=AVCODES | KS | |
| 3 | QH | Air Florida | ICAO: FLA, Callsign: Palm, Ceased operations on 03 July 1984. | USA | AVCODES |
| 4 | QH | Aircompany "Kyrgyzstan" | ICAO: LYN, Callsign: Altyn Avia, Name changed to OJSC Air Kyrgyzstan. Name changed from Altyn Air Airlines | KS | AVCODES |
| 5 | QH | Bamboo Airways Joint Company Limited | ICAO: BAV, Callsign: Bamboo, IATA Prefix: 926, | VN | AVCODES |
| 6 | QHAR | QUALITY HARDWOOD PRODUCTS INC | | | SCAC4 |
| 7 | QHCT | QUALITY HAY CO TRANSPORTATION INC | | | SCAC3 |
| 8 | QHD | Meregrass, Inc. | Callsign: Quahadi, | USA | AVCODES |
| 9 | QHGF | QUALITY HOUSEHOLD GOODS FORWARDERS | | | SCAC3 |
| 10 | QHIA | QUALITY HAULERS INC | | | SCAC4 |
| 11 | QHII | QUICKSILVER HOTSHOTS INC | | | SCAC4 |
| 12 | QHSD | QUALITY HAY SERVICE DIVISION | | | SCAC3 |
| 13 | QHSS | QINGDAO HUIQUAN SHIPPING COMPANY | | | SCAC4 |
| 14 | QHTE | QUARTER HORSE TRUCKING | | | SCAC4 |
