| Abbreviation | Definition |
|---|---|
| HRTI | Hampton Roads Transportation, Inc. |
| HRTI | Home Remodeling Technology Inc. |
| HRVL | Hinduja Realty Ventures Ltd |
| HRW | Hold, Rinehart, and Winston |
| HRW | Hotel Roger Williams |
| HRx | HRx Technology Inc |
| HSA | Holt Software Associates |
| HSA | Home Security of America, Inc. |
| HSAG | Health Services Advisory Group, Inc. |
| HSB | Hibbard, Spencer, Bartlett, and Company |
| HSBC | High Savings Bank Company |
| HSBC | Holmwoods Schools Broking Company |
| HSBC | Hong Kong and Shanghai Banking Corporation |
| HSBE | Honshu-Shikoku Bridge Expressway |
| HSC | Hair Straightening Crew |
| HSC | Headquarters and Service Company |
| HSC | Headquarters Service Company |
| HSC | Hearne Steel Company |
| HSC | Hemlock Semiconductor Corporation |
| HSC | Henk's Soundtrack Corner |