| Acronym | Definition |
|---|
| HPSI➣Holden Psychological Screening Inventory |
| HPSI➣High Performance Systems, Inc. (Honolulu, HI) |
| HPSI➣High Pressure Safety Injection |
| HPSI➣Hydraulic Power Systems, Inc. (North Kansas City, MO) |
| HPSI➣Hyde Park Suzuki Institute, Inc. (est. 1998; Chicago, IL) |
| HPSI➣Health Professions Stress Inventory (psychology) |
| HPSI➣Human-Ported System Interface |
| HPSI➣Hybrid Power Solutions, Inc. (Manassas, VA) |