| Washington State Society of Anesthesiologists | Academic & Science |
| Women Studies Student Association | Academic & Science |
| Washington Student Science Association | Academic & Science |
| Women's Studies Student Association | Academic & Science |
| Western Sikh Student Association | Academic & Science |
| Weed Science Society of America | Academic & Science |
| Western Social Science Association | Academic & Science |
| Wisconsin Self Storage Association | Business |
| Web Site Security Audit | Business |
| Wyoming State Shooting Association | Community |
| World Speed Stacking Association | Community |
| Washington State Snowmobile Association | Community |
| World Sound System Association | Community |
| World Sand Sculpting Academy | Community |
| West Sound Sailing Association | General |
| Winter Summer Spring Autumn | General |
| Wisconsin Social Service Administration | General |
| Watercolour Society of South Africa | General |
| Weavers and Spinners Society of Austin | General |
| Wyoming State Snowmobile Association | General |
| Water Supply and Sewerage Authority | Governmental |
| Weapons System Support Activity | Governmental |
| Wisconsin Social Services Association | Governmental |
| Wine and Spirits Shippers Association | Governmental |
| White Sands Signal Agency | Governmental |
| West Shore Sportsmen's Association | Sports |
| World Slalom Skaters Association | Sports |
| Washington State Soccer Association | Sports |
| World Slalom Skating Association | Sports |
| World Sport Stacking Association | Sports |
