| Abbreviation | Definition |
|---|---|
| HPNA | Harman Pro North America |
| HPP | Holeshot Performance Products |
| HPPI | Holeshot Performance Products, Inc. |
| HPPI | Holeshot Performance Products, Incorporated |
| HPPI | Household Pet Protection, Inc. |
| HPPL | Hazira Port Private Ltd |
| HPPL | Hyderabad Pigments Pvt Ltd |
| HPS | Harrison Perkins And Scott |
| HPSI | High Performance Systems Inc |
| HPSI | Home Page Service Siegerland |
| HPSI | HVAC Portable Systems Inc |
| HPSI | Hybrid Power Solutions Inc |
| HPSI | Hydraulic Power Systems Inc |
| HPSL | Heat Pump Servicing Ltd |
| HQ | HeadQuarters |
| HQB | Hayward Quality Builders |
| HR | Harayana Roadways |
| HR | Harpur Radio |
| HR | Holt Rischmann |
| HRAF | Human Relations Area Files, Inc. |