| Abbreviation | Definition |
|---|---|
| HIAC | Home Improvement Alliance Corporation |
| HIAI | H I A Inc |
| HIAI | Heartland Investment Associates Inc |
| HIAL | Highlands and Islands Airports Ltd |
| Hiatech | Hia Technologies |
| HIBL | Henderson Insurance Brokers Ltd |
| HIC | Handbell Industry Council |
| HIC | Herts Insurance Consultants |
| HIC | Holderness Investment Club |
| HIC | Home Innovations Corp |
| HICAI | Harsens Island Conservation Association Inc |
| HICI | Haulers Insurance Company, Inc. |
| HICL | HICL Infrastructure Company Limited |
| HICL | HICL Infrastructure Company Ltd |
| HICL | Infrastructure Company Ld |
| HICL | Infrastructure Company Ltd |
| HIDA | Health Industry Distributors Association |
| HIDC | Harbor Island Development Corporation |
| HIDC | Harihar Infrastructure Development Corporation |
| HIDC | Horton Industrial Development Corporation |