| 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) |