| Abbreviation | Definition |
|---|---|
| HIDC | Housatonic Industrial Development Corp |
| HIDC | Hull Industrial Development Corporation |
| HIE | Holidays In Eden |
| HIFI | Hub of Innovation For Inclusion |
| HIGI | Home Interiors and Gifts Inc |
| HIH | Heath International Holdings |
| HIHI | Holiday Island Holdings Inc |
| HII | Health Informatics Inc |
| HII | Health Informatics Incorporated |
| HII | Hess Industries Inc |
| HII | Horner Insurance Inc |
| HII | Hospitality Innovators Inc |
| HII | Hydraulics International Inc |
| HIK | Heidelberger Interessante Konstruktion |
| HIL | Hilfiger |
| HIL | Hill Innovative Learning |
| HIMI | HEMIC Insurance Managers Inc |
| HIO | Health Insuring Organization |
| HIP | Haight Independent Proprietors |
| HIP | Harlem Irving Plaza |