| Rank | Abbreviation | Meaning |
|---|
| ***** | CHAC | College of HASS Advising Center
| |
| ***** | CHAC | Charleston Heights Art Center
| |
| *** | CHAC | Community Haven for Adults and Children with Disabilities
| |
| *** | CHAC | Carrefour Hépatites-Aide et Contact
| |
| *** | CHAC | Chicano Humanities and Arts Center
| |
| *** | CHAC | Community Haven for Adults and Children
| |
| ** | CHAC | Crowther Heating and Air Conditioning
| |
| ** | CHAC | county housing advisory committee
| |
| ** | CHAC | Child Health Advisory Committee
| |
| ** | CHAC | cholesteryl hemisuccinate affinity chromatography
| |
| * | CHAC | Cultural Heritage Advisory Committee
| |
| * | CHAC | Central Housing Advisory Committee
| |
| * | CHAC | Chorea-acanthocytosis
| |
| * | CHAC | Catholic Health Association of Canada
| |
| * | CHAC | Catholic Health Alliance of Canada
| |
| * | CHAC | China Holdings Acquisition Corp
| |
| * | CHAC | Click Here for All the Cheats
| |
| * | CHAC | Cape Hatteras Anglers Club
| |
| * | CHAC | Campus Health Advisory Committee
| |
| * | CHAC | Chicago Housing Authority CHA
| |
| * | CHAC | Community Housing Access Centre
| |
| * | CHAC | Cambridge History of Ancient China
| |
| * | CHAC | Campus Housing Advisory Committee
| |
| * | CHAC | California HIV Advocacy Coalition
| |
| * | CHAC | Community Housing Advisory Committee
| |