HHIC
| Acronym | Definition |
|---|---|
| HHIC | Heating and Hotwater Industry Council (Kenilworth, Warwickshire, England, UK) |
| HHIC | Hawaii Health Information Corporation (Honolulu, HI) |
| HHIC | Hanjin Heavy Industries & Construction Co. Ltd. (South Korea) |
| HHIC | Heating and Hotwater Information Council (England, UK) |
| HHIC | Hebei Huayi Ironworks Company (Xinle City, China) |
| HHIC | Head Honcho In Charge |