sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| House Immigration Reform Caucus | ***** |
| Harvard Immigration and Refugee Clinic | *** |
| House International Relations Committee | *** |
| Health Information Resource Centre | *** |
| Hellenic Innovation Relay Centre | *** |
| Hardware Italian Resource Center | *** |
| Head Injury Rehabilitation Centre | ** |
| Hydrogen Innovation and Research Centre | ** |
| Health Informatics Research Centre | ** |
| Healthcare Information Resource Center | ** |
| Health Information and Research Committee | ** |
| Historical Indigo Restoration Committee | ** |
| Hellenic Innovation Relay Center | * |
| Health Insurance Review Committee | * |
| Hanson Internet Research Company | * |
| Hazardous Information Record and Control | * |