| 1 | HMR | North American Charters | Callsign: Hammer, | CDN | AVCODES |
| 2 | HMR | Global Reach Aviation A/S | Callsign: Hammer, | DK | AVCODES |
| 3 | HMR | North American Charters | | | ICAO1 |
| 4 | HMR | Hoboken Manufacturers | 1/1980-7/2005 | | NAKINA |
| 5 | HMR | Hoboken Manufacturers | 1/80-7/2000 | | NRHS |
| 6 | HMR | *HUNTSVILLE MADISON COUNTY RAILROAD AUTHORITY | | | PWRC |
| 7 | HMR | +HOBOKEN MANUFACTURERS RR. | | | PWRC |
| 8 | HMR | Hoboken Manufacturers | | | RSRV |
| 9 | HMRA | HATCHER, M R | | | SCAC4 |
| 10 | HMRC | HAMRAC TRUCKING | | | SCAC4 |
| 11 | HMRK | HAMME | | | SCAC4 |
| 12 | HMRL | HAMPTON ROADS LEASING INC | | | SCAC4 |
| 13 | HMRM | HAMERS | | | SCAC4 |
| 14 | HMRN | HANSEN, MARVIN | | | SCAC4 |
| 15 | HMRO | HIND MOTORS INC | | | SCAC4 |
| 16 | HMRQ | HANSEN, MICHAEL R INC | | | SCAC4 |
| 17 | HMRR | HUMMER VENTURES LTD | | | SCAC4 |
| 18 | HMRU | HYUNDAI MOTORSPORT GMBH | | D | BIC |
| 19 | HMRV | HENRY MARINE SERVICE INC | | | SCAC4 |
