| Weather Systems Processor | Academic & Science |
| Water- Supply Papers | Academic & Science |
| Wright State University, Piqua Campus | Academic & Science |
| Work Study Program | Academic & Science |
| Western Society Of Periodontology | Academic & Science |
| Washington School of Psychiatry | Academic & Science |
| Washington School of Photography | Academic & Science |
| Waspam | Airport Code |
| Wynnstay Properties, P. L. C. | Business |
| Wright State Physicians | Business |
| Wynnstay Props. | Business |
| West Penn Power Company (former symbol - now delisted) | Business |
| White Steam Press | Business |
| Wholesale Supplies Plus | Business |
| Wagman Smoothing Paddle | Business |
| WSP Chemicals Technology, L. L. C. | Business |
| Water Soluble Packet | Chemistry |
| Widespread Panic | Community |
| White Skin Privilege | Community |
| Web Scraping Proxy | Computing |
| Web Services Platform | Computing |
| Web Services Pipeline | Computing |
| Windows Socket Proxy | Computing |
| Web Service Provider | Computing |
| Wafer Level Processed Stacked Package | Computing |
| Windows Search Protocol | Computing |
| Websphere Portal | Computing |
| Workstation Security Package | Computing |
| Windows Solution Package | Computing |
| Windows Storage Provider | Computing |
| Windows Sharepoint Package | Computing |
| Wideband Signal Processor | Electronics |
| Wafer Scale Package | Electronics |
| Fortran Powerstation Workspace | File Type |
| World Series of Philately | General |
| Women Strike for Peace | General |
| Wheel Slide Protection | General |
| Water Soluble Packets | General |
| WSS Solution Project | General |
| Written Supervisory Procedures | General |
| Welded Steel Pipe | General |
| World Seed Partnership | General |
| Water safety plans | General |
| Wyoming State Penitentiary | General |
| Wasco State Prison | General |
| Washington Semester Program | General |
| Williams Sale Partnership | General |
| Wasatch Speed Project | General |
| Warrior Scholar Project | General |
| Web Site Project | General |
| Wireless Service Providers | General |
| World Soundscape Project | General |
| Wall Street Prep | General |
| Water Soluble Packaging | General |
| Witness Security Program | General |
| With Soap Project | General |
| Well Seismic Profile | General |
| Wheel Spinner | General |
| Water Soluble Polymers | General |
| Watershed Stewards Project | General |
| Wells Scholars Program | General |
| Water Soluble Polymer | General |
| Water Soluble Pouches | General |
| Western Single Ply | General |
| Water Sustainability Program | General |
| Water and Sanitation Program | General |
| Wet Shaving Products | General |
| Washington State Penitentiary | General |
| World Sounds and Power | General |
| Watershed Stewards Program | General |
| Winter Star Party | General |
| Warranty Support Platform | General |
| Warring States Project | Governmental |
| Water Safety Plan | Governmental |
| Water Supply Point | Governmental |
| Wild Salmon Policy (Canada) | Governmental |
| Washington State Patrol | Governmental |
| Weekly Subsistance Payment | Governmental |
| Wastsup Boomer | Internet |
| Web Site Promoter | Jobs |
| Weibull Shape Parmeter | Maths |
| Working Steam Pressure | Military and Defence |
| Workstation Processor | Military and Defence |
| Weapons System Pouch | Military and Defence |
| Wireless Session Protocol | Networking |
| Waspam, Nicaragua | Regional |
| Widest Shortest Path | Softwares |
| Wireless Signal Processor | Telecommunication |
| Wireless Service Provider | Telecommunication |
