| 1 | SKU | Sky Service S.A. | IATA: H2, Callsign: Aerosky, IATA Prefix: 605, Name changed to Sky Service S.A. d/b/a Sky Airlines | RCH | AVCODES |
| 2 | SKU | SK Air a.s. | IATA: S9, Callsign: Eska, | SK | AVCODES |
| 3 | SKU | SK Air a.s. | Callsign: Eska, | SK | AVCODES |
| 4 | SKU | Sky Service S.A. d/b/a Sky Airline | IATA: H2, Callsign: Aerosky, IATA Prefix: 605, Name changed to Sky Airline S.A. previously changed from Sky Service S.A. | RCH | AVCODES |
| 5 | SKU | Sky Airline S.A. | IATA: H2, Callsign: Aerosky, IATA Prefix: 605, Name changed from Sky Service S.A. d/b/a Sky Airlines | RCH | AVCODES |
| 6 | SKU | Sky Airline | IATA: H2 | | ICAO1 |
| 7 | SKUA | SKUA SHIPPING LLC | | | SCAC4 |
| 8 | SKUC | S & K TRUCKING | | | SCAC4 |
| 9 | SKUL | STOKES TRUCKING INC | | | SCAC4 |
| 10 | SKUO | STATKUS TRANSPORTATION CORP | | | SCAC4 |
| 11 | SKUS | SKYLINK USA | | | SCAC4 |
