| Abbreviation | Definition |
|---|---|
| HRH | Hilb, Rogal, and Hamilton |
| HRH | Holy Rosary Healthcare |
| HRH | Hudson River Housing |
| HRI | Health Resources Inc |
| HRI | Hill Racing Incorporated |
| HRI | Hotels Restaurants Institutions |
| HRI | Housing Resources Inc |
| HRI | Housing Resources, Inc. |
| HRI | Housing Resources, Incorporated |
| HRI | Human Resources inc |
| HRI | Hydro Resources Inc |
| HRIC | Human Resources Independent Consultants |
| HRM | Hard Rock Marketing |
| HRMC | Human Resource Management Corporation |
| HRN | Hotel Reservations Network |
| HRP | Hollow Reed Productions |
| HRP | Human Resources Payroll |
| HRSI | Healthcare Resolutions Services Inc |
| HRSI | Herzog Railroad Services Inc |
| HRSS | High Rise Security Systems |