| 1 | QJ | Jet Airways, Inc. | IATA Prefix: 508, | USA | AVCODES |
| 2 | QJ | LATPASS Airlines | ICAO: LTP, Callsign: Latpass, IATA Prefix: 937, Designator QJ* and Prefix Code 937 recalled by IATA | LV | AVCODES |
| 3 | QJ | Paramount Airways | ICAO: PAT, Callsign: Paramount, Founded in October 1986. Ceased operations on 15 November 1989. | GB | AVCODES |
| 4 | QJA | Quickjet Aviation (Pty) Ltd. | Callsign: Quickjet, | NAM | AVCODES |
| 5 | QJMD | QUIROGA JIMENEZ, EDUARDO | | | SCAC4 |
| 6 | QJML | QINGDAO JET MARINE LOGISTICS CO LTD | | | SCAC4 |
| 7 | QJRT | QUEZADA, J R TRUCKING | | | SCAC4 |
| 8 | QJSW | Q JAKE SHIPPING LTD | | | SCAC4 |
| 9 | QJT | Qingdao Jiutian-Spartan International Flight Academy, Co., Ltd | Callsign: Jiu Tian, Name changed to Qingdao Jiutian International Flight Academy Co., Ltd. | PRC | AVCODES |
| 10 | QJT | Qingdao Jiutian International Flight Academy Co., Ltd. | Callsign: Jiu Tian, Name changed from Qingdao Jiutian International Flight Academy Co., Ltd. | PRC | AVCODES |
| 11 | QJTL | QUINN, J TRUCKING LLC | | | SCAC4 |
| 12 | QJTS | QJ TRANSFER & STORAGE | | | SCAC3 |
