| HEDC | Hamden Economic Development Corporation 
| Others |
| HEDC | Hancock Economic Development Council
| Others |
| HEDC | Hastings Economic Development Corporation
| Others |
| HEDC | Havenwoods Economic Development Corporation
| Others |
| HEDC | Heiltsuk Economic Development Corporation
| Others |
| HEDC | Hereford Economic Development Corporation
| Others |
| HEDC | Higher Education Development Centre
| Others |
| HEDC | Hilltop Economic Development Corporation
| Others |
| HEDC | Hispanic Economic Development Corporation
| Others |
| HEDC | Housing Economic Development and Commerce
| Others |
| HEDC | Houston Eating Disorders Center
| Others |
| HEDC | Human Earth Develpment Center
| Others |
| HEDC | Hyundai Europe Design Center
| Others |