| Abbreviation | Definition |
|---|---|
| HBSC | Hughson Business Space Corporation |
| HC | Hawick Callants club |
| HC | Head Contractor |
| HC | Hitachi Chemical |
| HC | Holz Cluster |
| HC | Huxmann Cornett |
| HCA | Health Corporation of America |
| HCA | Hospital Corporation Of America |
| HCA | Hospitals Corporation of America |
| HCA | Hotel Corporation of America |
| HCA | Housing Corporation Assessment |
| HCA | Housing Corporation of Arlington |
| HCAL | Hunter Cable Assembly Ltd |
| HCAP | Honourable Company of Air Pilots |
| HCC | Healthcare Coalition Cooperative |
| HCC | Hindustan Construction Company |
| HCC | Houston Casualty Company |
| HCC | Human Capital Corporation |
| HCCA | Horseless Carriage Club of America |
| HCCC | Halla Climate Control Corporation |