| CHRS | California Historical Radio Society 
| Others |
| CHRS | Canadian Heart Rhythm Society
| Others |
| CHRS | Capitol Hill Restoration Society
| Others |
| CHRS | Center for Human Rights Science
| Others |
| CHRS | Center for Hydrometeorology and Remote
| Others |
| CHRS | Center for Hydrometeorology and Remote Sensing
| Others |
| CHRS | Center for Hydrometeorology Remote Sensing
| Others |
| CHRS | Center on Health Risk and Society
| Others |
| CHRS | Central Herd Registration Scheme
| Others |
| CHRS | Centre for Human Reproductive Science
| Others |
| CHRS | Certified Hazard Recognition Specialist
| Others |
| CHRS | Certified Healthcare Reform Specialist
| Others |
| CHRS | Certified Human Resources Specialist
| Others |
| CHRS | Chicago Historic Resources Survey
| Others |
| CHRS | Child Health Reporting System
| Others |
| CHRS | Common Human Resource System
| Others |
| CHRS | Common Human Resources System
| Others |
| CHRS | Community Health Regional Systems
| Others |
| CHRS | Competitive Human Resources Strategies
| Others |
| CHRS | Complete Human Resource Solutions
| Others |
| CHRS | Contract Hold Relax and Stretch
| Others |
| CHRS | Contract Hold Relax Stretch
| Others |
| CHRS | Cornell Hospitality Research Summit
| Others |
| CHRS | Criminal History Record Search
| Others |
| CHRS | Cultural Heritage Research Services
| Others |
| CHRS | Custom Human Resource Solutions
| Others |