| 1 | DHR | Creamer Pilot Services, LLC | Callsign: Dark Horse, | USA | AVCODES |
| 2 | DHR | Darjeeling and Himalayan Railway | | IND | TRAFFIC |
| 3 | DHRE | DESA, H R ENTERPRISES LTD | | | SCAC4 |
| 4 | DHRK | DREHER LIVESTOCK LTD | | | SCAC4 |
| 5 | DHRM | DESROCHERS | | | SCAC4 |
| 6 | DHRN | DOHRN TRANSFER COMPANY | | | SCAC1 |
| 7 | DHRN | DOHRN TRANSFER COMPANY | | | SCAC4 |
| 8 | DHRU | DEN HARTOGH LIQUID LOGISTICS BV | | NL | BIC |
| 9 | DHRU | DEN HARTOGH INTERNATIONAL | | | PWRC |
| 10 | DHRU | Den Hartogh NV | | | RSRV |
| 11 | DHRU | DEN HARTOGH INTERNATIONALE TANKTRAN | | | SCAC4 |
