sort by Rank | Alpha
| Possible Meanings | Rank |
| Health Systems Performance Assessment | **** |
| Hunter School of the Performing Arts | *** |
| Health Services and Policy Analysis | *** |
| Hsinchu Science Park Administration | *** |
| Human Services Planning Alliance | *** |
| Hoosier State Press Association | *** |
| High Seas Protected Areas | *** |
| Heat Shock Protein A | *** |
| Human seminal plasma allergy | ** |
| Human seminal plasma anaphylaxis | ** |
| human sperm penetration assay | ** |
| Hawaii Sugar Planters Association | ** |
| Health System Performance Assessment | ** |
| Historical Society of the Phoenixville Area | ** |
| Health Services Permit Agency | ** |
| High Speed Package Access | ** |
| High School the Preliminary | ** |
| Hauptmann School for Public Affairs | ** |
| Hauptmann School of Public Affairs | ** |
| High School Performance Assessment | ** |
| Hook Schools Parents Association | ** |
| Hydrocarbon Solvents Producers Association | ** |
| Human Service Planning Alliance | ** |
| Haddonfield School of Performing Arts | ** |
| Highfields School Parents Association | ** |
| Health Service Performance Agreement | ** |
| High School Profficiancy Assessment | ** |
| Healthcare Service Panel Agreement | * |
| Health Service Provision Assessment | * |
| Health Service Provider Application | * |
| Heights School Parents Association | * |
| Hydrocarbon Solvent Producers Association | * |