| 1 | QV | Lao Aviation | ICAO: LAO, Callsign: Lao, IATA Prefix: 627, Name changed to Lao Airlines. Designator QV reinstated by IATA | LAO | AVCODES |
| 2 | QV | Lao Airlines | ICAO: LAO, Callsign: Lao, IATA Prefix: 627, Name changed from Lao Aviation. Designator QV reinstated by IATA | LAO | AVCODES |
| 3 | QVAL | QUINTERO VILLAFUERTE, ALFREDO | | | SCAC4 |
| 4 | QVAT | QUADIVATOR INC | | | SCAC4 |
| 5 | QVCO | QUALITY BOX (1971) LTD | | | SCAC4 |
| 6 | QVR | Kvadro Aero Ltd. | Callsign: Pegaso, Ceased operations. | KS | AVCODES |
| 7 | QVR | Kvadro Aero | | | ICAO1 |
| 8 | QVTL | QUO VADIS TOUR LINE | | | SCAC3 |
