| 1 | HHS | Hi-Jet Helicopter Services N.V. | Callsign: Hijet, | SME | AVCODES |
| 2 | HHS | Hi-Jet Helicopter Services | | | ICAO1 |
| 3 | HHSE | HIGHHOUSE OIL COMPANY INC | | | SCAC4 |
| 4 | HHSF | HELENS HOMESTYLE FOODS LTD | | | SCAC4 |
| 5 | HHSG | HOLY HOUSE SHIPPING AB | | | SCAC4 |
| 6 | HHSH | HARVIES HOTSHOT SERVICE & T | | | SCAC4 |
| 7 | HHSL | HIGH ST LOGISTICS INC | | | SCAC4 |
| 8 | HHSO | HARBOR HOUSE SEAFOOD INC | | | SCAC4 |
| 9 | HHSP | H & H SPECIALTY VEHICLE TRANSPORTAT | | | SCAC4 |
