CWSI
| Acronym | Definition |
|---|---|
| CWSI | China Wind Systems, Inc. (alternative energy; China) |
| CWSI | Crop Water Stress Index (agricultural science) |
| CWSI | CiscoWorks for Switched Internetworks |
| CWSI | Commercial Wireless Systems International (wireless fire alarm manufacturer; Sunrise, FL) |
| CWSI | Cat Welfare Society of Israel |
| CWSI | Chugach World Services, Inc. (Alaska) |
| CWSI | Clean Water Solutions, Inc. (Newport, RI) |