| 1 | 6S | Sahara Airlines | ICAO: SHD, Founded in 1998 and started operations in September 1999. Ceased operations. Designator 6S* recalled by IATA | DZ | AVCODES |
| 2 | 6S | Kato Airline AS | ICAO: KAT, Callsign: Kato-Air, Designator 6S recalled by IATA | N | AVCODES |
| 3 | 6S | El Sol de America, C.A. | ICAO: ESC, Callsign: Solamerica, | YV | AVCODES |
| 4 | 6S | Star Air Aviation (Private) Limited | ICAO: URJ, Callsign: Starav, | PK | AVCODES |
| 5 | 6S | SaudiGulf Airlines | ICAO: SGQ, Callsign: Saudi Gold, Designator 6S recalled by IATA.Commence domestic operations on 29 October 2016. Wholly owned by Abdul Hadi Al Qahtani Group of Companies. | SA | AVCODES |
