| Rank | Abbreviation | Meaning |
|---|
| ***** | CEWS | Canadian Early Warning System
| |
| ***** | CEWS | Cargo Element Work Stand
| |
| **** | CEWS | Communications Early Warning System
| |
| **** | CEWS | Continuing Education and Workforce Services
| |
| **** | CEWS | Custom Extended Warranty Service
| |
| **** | CEWS | Cyber Early Warning System
| |
| **** | CEWS | Competitive Early Warning System
| |
| **** | CEWS | Community Emergency Warning System
| |
| **** | CEWS | Conducted Energy Weapons
| |
| **** | CEWS | Center for Ethics and World Societies
| |
| **** | CEWS | Children Education & Welfare Society
| |
| *** | CEWS | Center of Excellence Women in Science
| |
| *** | CEWS | Centre of Excellence Women in Science
| |
| *** | CEWS | Currency Exchange Warrants
| |
| *** | CEWS | Currency Exchange Web Service
| |
| *** | CEWS | Content Engine Web Service
| |
| *** | CEWS | Continental Early Warning Systems
| |
| *** | CEWS | Crime Early Warning System
| |
| *** | CEWS | Cyber Employees Welfare Society
| |
| *** | CEWS | Conflict Early Warning System
| |
| ** | CEWS | Conservation Ecology Web Server
| |
| ** | CEWS | Coal Education Web Site
| |
| * | CEWS | Community Early Warning System
| |
| * | CEWS | Cutting Edge Web Sight
| |