| Abbreviation | Definition |
|---|---|
| CARE | Concerned Alliance of Responsible Employers |
| CARE | Cooperative Alliance for Refuge Enhancement |
| CASA | Canadian Alliance of Student Associations |
| CASOS | Contractor Alliance for Safety On Shell |
| CATA | Central Asian Treaty Alliance |
| CAVI | Capital Alliance Ventures Inc |
| CAWA | Colorado Ag Water Alliance |
| CBA | Choctawhatchee Basin Alliance |
| CBA | Craft Brew Alliance |
| CBAG | California Border Alliance Group |
| CBIA | Comic Book Industry Alliance |
| CBOA | Catholic Business Owners Alliance |
| CBSA | Complex Biological Systems Alliance |
| CCA | Clean Cooking Alliance |
| CCA | Cloud Communications Alliance |
| CCA | Commonwealth Care Alliance |
| CCAC | Community Christian Alliance Church |
| CCBA | Clackamas County Business Alliance |
| CCBA | Climate, Community & Biodiversity Alliance |
| CCCTA | Coffee County Conservation Tillage Alliance |