| Acronym | Definition |
|---|
| WSSI➣World Seismic Safety Initiative |
| WSSI➣Wetland Studies and Solutions, Inc. |
| WSSI➣Wyoming SBIR/STTR Initiative |
| WSSI➣Watershed Science Institute (Natural Resources Conservation Service, US Department of Agriculture) |
| WSSI➣Wireless Site Services, Inc. (Lincoln, NE) |
| WSSI➣Web Side Story, Inc. (stock symbol) |
| WSSI➣Washington Square Securities, Inc. (broker/dealer) |
| WSSI➣Wood Stabilizing Specialists, International |
| WSSI➣Wall Street Strategies, Inc. |
| WSSI➣Water Ski Shows, Inc. |
| WSSI➣Wilson Social Sciences Abstracts |
| WSSI➣Western Scientific Services, Inc. |
| WSSI➣Web Site Services, Inc. |
| WSSI➣Water Safety Survival Instructor (USMC) |
| WSSI➣Woman Staff Sergeant Instructor |
| WSSI➣Weapons Storage Site Inspection |
| WSSI➣Westinghouse Security Systems, Inc. |
| WSSI➣Washington Ski and Snowboard Industries |
| WSSI➣World Secondary Standard Instrument (calibration) |
| WSSI➣Weekly Sales & Stock Intake |
| WSSI➣Wisconsin Supplemental Security Income |
| WSSI➣Western Steel Sales, Inc. |
| WSSI➣Woodlake Sanitary Services, Inc. |
| WSSI➣Winnebago Satellite Service, Inc. |