| 1 | SKT | Sky Services Aviation, S.L. | Callsign: Star-Jet, | E | AVCODES |
| 2 | SKT | Aero Skytropic, S.A. | Callsign: Skytropic, | PA | AVCODES |
| 3 | SKT | Skystar Airways | | | ICAO1 |
| 4 | SKT | AB SkandiaTransport | | SE | VKM |
| 5 | SKTA | SKOTIDAKIS GOAT FARM | | | SCAC4 |
| 6 | SKTD | SUNTECK TRANSPORTATION INC | | | SCAC4 |
| 7 | SKTF | SUPREME TANK INC | | | SCAC4 |
| 8 | SKTG | ENTERPRISES INC OF STEVENVILLE | | | SCAC3 |
| 9 | SKTG | ENTERPRISES INC OF STEVENVILLE | | | SCAC4 |
| 10 | SKTH | SUPERIOR TANK & TRAILER CO INC, THE | | | SCAC4 |
| 11 | SKTI | SKY TRUCKING CO | | | SCAC1 |
| 12 | SKTI | SKY TRUCKING CO | | | SCAC4 |
| 13 | SKTJ | STARSTRUCK TRANSPORTATION | | | SCAC4 |
| 14 | SKTK | SACKETT TRUCKING | | | SCAC4 |
| 15 | SKTL | S & K TRANSPORT LLC | | | SCAC4 |
| 16 | SKTM | SHPEK TRANSPORT CORP | | | SCAC4 |
| 17 | SKTQ | S & K TRUCKING LLC | | | SCAC4 |
| 18 | SKTR | SHACKLETON TRANSPORTATION INC | | | SCAC4 |
| 19 | SKTS | STOCK TRANSPORT INC | | | SCAC4 |
| 20 | SKTT | SHARK TRANS INC | | | SCAC4 |
| 21 | SKTW | SNIKTAW EXPRESS | | | SCAC4 |
| 22 | SKTX | Ansco Investment Co. d/b/a Ski Train | 7/2005 (not listed) | | NAKINA |
| 23 | SKTX | ANSCO INVESTMENT CO. d/b/a SKI TRAIN | | | PWRC |
| 24 | SKTX | Ski Train | | | RSRV |
| 25 | SKTX | ANSCO INVESTMENT COMPANY D/B/A SKI | | | SCAC4 |
| 26 | SKTX | Ansco Investment Co. Ski Train | | USA | TRAFFIC |
| 27 | SKTY | SIROKI TRANSPORT | | | SCAC4 |
