| 1 | SKL | Skycharter (Malton) Limited | Callsign: Skycharter, | CDN | AVCODES |
| 2 | SKL | Skycharter (Malton) | | | ICAO1 |
| 3 | SKL | SKL Umschlagservice GmbH & Co KG | Magdeburg (SKL = Schwermaschinenbaukombinat Karl Liebknecht) | D | privat-bahn.de |
| 4 | SKLA | SKULL TRANSPORT INC | | | SCAC4 |
| 5 | SKLB | SENKBEIL, ROBERT | | | SCAC4 |
| 6 | SKLG | S K LOGISTIC INC | | | SCAC4 |
| 7 | SKLH | SPARK LOGISTICS INC | | | SCAC4 |
| 8 | SKLJ | Skara-Lundsbrunns Järnvägar | | SE | VKM |
| 9 | SKLM | SKY LINE MOVERS INC | | | SCAC4 |
| 10 | SKLN | SKYLINE LOGISTICS INC | | | SCAC4 |
| 11 | SKLO | STARTEK LOGISTICS | | | SCAC4 |
| 12 | SKLP | SKYLINE TRANSPORT | | | SCAC4 |
| 13 | SKLQ | SKYLINE CARRIERS LTD | | | SCAC4 |
| 14 | SKLR | SCHECKLA CO | | | SCAC4 |
| 15 | SKLS | SHARK LINES, INC. | | | SCAC1 |
| 16 | SKLS | SHARKLINES INC | | | SCAC4 |
| 17 | SKLT | STILES & KELLY TRANSFER LTD | | | SCAC4 |
| 18 | SKLU | SINOKOR MERCHANT MARINE CORP | | ROK | BIC |
| 19 | SKLU | SINOKOR MERCHANT MARINE CO LTD | | | SCAC4 |
| 20 | SKLUS | SKL Umschlagservice Magdeburg GmbH & Co.KG | | DE | VKM |
| 21 | SKLY | STRICKLY TRUCKIN INC | | | SCAC4 |
