| 1 | QTR | Qatar Airways (W.L.L.) | IATA: QR, Callsign: Qatari, IATA Prefix: 157, Name changed to Qatar Airways Group Q.C.S.C. | Q | AVCODES |
| 2 | QTR | Qatar Airways Group Q.C.S.C. | IATA: QR, Callsign: Qatari, IATA Prefix: 157, Name changed from Qatar Airways (W.L.L.) | Q | AVCODES |
| 3 | QTR | Qatar Airways | IATA: QR | | ICAO1 |
| 4 | QTR | Qatar Airways | | Q | TRAFFIC |
| 5 | QTRB | QURAISHI TRUCKING | | | SCAC4 |
| 6 | QTRC | QUEENS TRUCKING | | | SCAC4 |
| 7 | QTRI | QUALI-T-RUCK SERVICE, INC | | | SCAC3 |
| 8 | QTRI | QUALI-T-RUCK SERVICE INC | | | SCAC4 |
| 9 | QTRK | QUALITY TRUCKING | | | SCAC4 |
| 10 | QTRP | QUINT TRANSPORT INC | | | SCAC3 |
| 11 | QTRP | QUIROGAS TRANSPORT | | | SCAC4 |
| 12 | QTRQ | QT TRANSPORT | | | SCAC4 |
| 13 | QTRT | QUIJANOS TRANSPORT | | | SCAC4 |
