| Abbreviation | Definition |
|---|---|
| CARS | Complete Automotive Recovery Service |
| CARS | Consumer Apparel and Resale Stores |
| CART | Championship Auto Race Team |
| CAS | Chemical Abstract Service |
| CASB | Corel Approved Service Bureau |
| CASBF | Cansino Biologics Inc |
| CASC | Capacity Allocating Service Company |
| CASC | Capacity Allocation Service Company |
| CASG | Computer Administration Services Group |
| CASI | Ceramic Artist Studio Inc |
| CASI | Colorado Asphalt Services Inc |
| CASI | Continental Air Services, Inc |
| CASIC | China Aerospace Science and Industry Corporation |
| CASIC | China Aerospace Science Industrial Corporation |
| CASIC | China Aerospace Science Industry Corp |
| CASOC | California Arabian Standard Oil Company |
| CASS | Company for Advanced Supercomputing Solutions |
| CAST | Canadian Atlantic Sea Transport |
| CAST | China Aerospace Science and Technology |
| CAT | Coverage Area Target |