| Abbreviation | Definition |
|---|---|
| JHB | John Henry Brown |
| JHC | Jamboree Housing Corporation |
| JHC | Johannesburg Housing Company |
| JHC | John Howard Company |
| JHC | The John Henry Company |
| JHF | John Hancock Financial |
| JHF | John Henry Foster Company |
| JHG | J. H. Galloway Associates |
| JHG | Julius Hirschberg Gesellschaft |
| JHGA | J. H. Galloway Associates |
| JHH | Jet Hangar Hobbies |
| JHI | Jackson Hewitt Inc |
| JHI | Janotta & Herner, Inc. |
| JHI | Joe Hughes International |
| JHI | Johnstown Home Improvement |
| JHLE | Johnson Hill Land Ethics Studio |
| JHM | JHM Hotels Management, Inc. |
| JHM | Joe Haider Music |
| JHM | John H. Macklin Research & Development, Inc. |
| JHM | John H. Melchinger Company |