| 1 | HSL | Hispania Lineas Aereas, S.L. | Callsign: Hispania, | E | AVCODES |
| 2 | HSL | Hispania, S.A. | IATA: HH, Ceased operations on 15 July 1989. IATA designator changed from XX | E | AVCODES |
| 3 | HSL | Vladivostock Air | IATA: XF, ICAO designator changed to VLK | RUS | AVCODES |
| 4 | HSL | Hispania, S.A. | IATA: XF, IATA designator changed to HH | E | AVCODES |
| 5 | HSL | Hispania Lineas Aereas, S.L. | IATA: HI, Callsign: Hotel India, IATA designator changed to XF. | E | AVCODES |
| 6 | HSL | Helisirio SRL | Callsign: Helisirio, | I | AVCODES |
| 7 | HSL | HSL-Logistik GmbH | Hamburg | D | privat-bahn.de |
| 8 | HSL | HSL Logistik GmbH | | D | TRAFFIC |
| 9 | HSL | HSL Logistik GmbH | | DE | VKM |
| 10 | HSLB | HESTER LOGISTICS LLC | | | SCAC4 |
| 11 | HSLC | HANSA LINIE CO | | | SCAC4 |
| 12 | HSLD | HOSELTON STUDIO LIMITED | | | SCAC4 |
| 13 | HSLE | HUDSON SHIPPING LINES INC | | | SCAC4 |
| 14 | HSLF | H & STL LLC | | | SCAC4 |
| 15 | HSLN | HOWE SHIPPING LIMITED | | | SCAC4 |
| 16 | HSLO | HASSEL, TOM TRANSPORT INC | | | SCAC4 |
| 17 | HSLQ | H & S LOGISTICS VENTURES LLC | | | SCAC4 |
| 18 | HSLU | HAULAGE SERVICES, LTD. | | | PWRC |
| 19 | HSLU | Haulage Services | | | RSRV |
| 20 | HSLU | HUISMAN SPECIAL LIFTING EQUIPMENT B | | | SCAC4 |
| 21 | HSLV | HABA SPED LTD | | | SCAC4 |
