| 1 | HHE | Heli-holland B.V. | Callsign: Heli Holland, | NL | AVCODES |
| 2 | HHE | Heli-Holland | | | ICAO1 |
| 3 | HHE | Freunde der Halle-Hettstedter Eisenbahn e.V. | | DE | VKM |
| 4 | HHEART | Hokkaido Heart Bus | | J | TRAFFIC |
| 5 | HHEB | HILL HOPPER EXPRESS INC | | | SCAC4 |
| 6 | HHEI | HAWK HOLLOW EXPRESS INC | | | SCAC4 |
| 7 | HHEP | H & H EXPRESS LLC | | | SCAC4 |
| 8 | HHER | HIRSCHE HEREFORDS | | | SCAC4 |
| 9 | HHES | HILL, HOLLY EXPRESS LOGISTICS INC | | | SCAC4 |
| 10 | HHEX | H & H Engineering Construction, Inc. | 7/2000-7/2005 (not listed) | | NAKINA |
| 11 | HHEX | H & H Engineering Construction, Inc. | Jul-00 | | NRHS |
| 12 | HHEX | H & H ENGINEERING CONSTRUCTION, INC. | | | PWRC |
| 13 | HHEX | H and H Engineering Construction | | | RSRV |
