| 1 | HAS | Hamburg Airlines, GmbH And Co. | IATA: HX, Callsign: Hamburg Air, Ceased operations | D | AVCODES |
| 2 | HAS | Honduras Airlines | Callsign: Honduras Air, | HN | AVCODES |
| 3 | HAS | Harold's Air Service | Callsign: Harolds, Name changed to Friendship Air Alaska. ICAO desigantor changed to FAL | USA | AVCODES |
| 4 | HAS | Honduras Airlines | | | ICAO1 |
| 5 | HASC | HAULIN A & S | | | SCAC4 |
| 6 | HASD | HAULIN A'S EXPRESS DELIVERY LLC | | | SCAC4 |
| 7 | HASIT | HASIT Šumavské vápenice a omítkárny, a.s. | | CZ | VKM |
| 8 | HASK | HINKLE AND SON TRUCKING | | | SCAC4 |
| 9 | HASL | HILLS AIR SUPPORT LLC | | | SCAC4 |
| 10 | HASN | H AND S CAR CARRIERS INC | | | SCAC4 |
| 11 | HASP | HOLLY ASPHALT COMPANY | | | SCAC4 |
| 12 | HASQ | H & S TRUCKING | | | SCAC4 |
| 13 | HASU | MAERSK A/S | | DK | BIC |
| 14 | HASU | HAMBURG SUED | | | SCAC4 |
| 15 | HASW | H&S WAREHOUSE, INC | | | SCAC1 |
| 16 | HASZ | HARVEST STATE COOP | | | PWRC |
