| HIDC | Harbor Island Development Corporation 
| Others |
| HIDC | Harihar Infrastructure Development Corporation
| Others |
| HIDC | Helena Interagency Dispatch Center
| Others |
| HIDC | Holland International Distribution Council
| Others |
| HIDC | Home Innovations Display Centre
| Others |
| HIDC | Horizons Investment Decision Centre
| Others |
| HIDC | Horton Industrial Development Corporation
| Others |
| HIDC | Housatonic Industrial Development Corp
| Others |
| HIDC | Hull Industrial Development Corporation
| Others |
| HIDC | Hyderabad International Dance Congress
| Others |
| HIDC | Hydroelectric Investment and Development Company
| Others |