| Rank | Abbreviation | Meaning |
|---|
| ***** | HIRC | Hamilton Indoor Recreation Center
| |
| ***** | HIRC | Health Information Resource Center
| |
| ***** | HIRC | Hazardous Information Record and Control
| |
| ***** | HIRC | House Immigration Reform Caucus
| |
| ***** | HIRC | House (of Representatives) International Relations Committee
| |
| ***** | HIRC | Health Information Resource Centre
| |
| ***** | HIRC | Hellenic Innovation Relay Centre
| |
| ***** | HIRC | Health Industries Research Companies
| |
| ***** | HIRC | Head Injury Rehabilitation Centre
| |
| ***** | HIRC | Health Informatics Research Centre
| |
| ***** | HIRC | Hellenic Innovation Relay Center
| |
| **** | HIRC | human insulin receptor
| |
| **** | HIRC | Humanities Instructional Resource Center
| |
| **** | HIRC | Health Information and Research Committee
| |
| **** | HIRC | Health Insurance Review Committee
| |
| **** | HIRC | Health Inequalities Research Collaboration
| |
| **** | HIRC | Healthcare Information Resource Center
| |
| **** | HIRC | Hydrogen Innovation and Research Centre
| |
| **** | HIRC | Hanson Internet Research Company
| |
| **** | HIRC | Helsinki International Rotary Club
| |
| **** | HIRC | Home Improvement Reference Center
| |
| **** | HIRC | Harvard International Relations Council
| |
| **** | HIRC | Health Industries Research Company
| |
| **** | HIRC | Hollister Independence Rally Committee
| |
| *** | HIRC | Harvard Immigration and Refugee Clinic
| |