| Abbreviation | Definition |
|---|---|
| HSSL | Hughes Software Systems Ltd |
| HSTC | Hi Shear Technology Corporation |
| HSTC | Holly Springs Theatre Company |
| HSTC | Homeland Security Technology Corporation |
| HSV | Holden Special Vehicles |
| HT | Hennessey's Tavern |
| HTAC | Harrington Theatre Arts Company |
| HTC | Happy Telephone Company |
| HTC | Harrisonville Telephone Company |
| HTC | High Tech Computer |
| HTC | Hollywood Trading Company |
| HTCC | House Tech Construction Company |
| HTCL | Hamilton Trust Company Limited |
| HTCL | Hamilton Trust Company Ltd |
| HTCL | High Tech Corporation Ltd |
| HTCL | Hutchison Telephone Company Limited |
| HTCOM | High Tech Communications |
| HTE | Honda Trading Europe Ltd. |
| HTEC | Hydrogen Technology and Energy Corporation |
| HTEI | High Tech Elastomers Inc |