| University of the Witwaterstrand | Academic & Science |
| Writing Information And Training Services | Academic & Science |
| Women In The Sciences | Academic & Science |
| World Integrated Trade Solution | Business |
| Willamette Integrated Technology Services | Business |
| Witness Systems, Inc. | Business |
| Wealth Integration & Transfer System | Business |
| Walk In Their Shoes | Community |
| Written In The Stars | Community |
| Writing In The Sand | Community |
| Writers In The Schools | Community |
| Walk away, Ignore, Talk it out, Seek help | Community |
| Wellness in the Schools | Community |
| Workshop on Information Technologies and Systems | Community |
| Working In The Schools | Community |
| World Instructor Training Schools | Community |
| Writer In The Schools | Community |
| Women In Travel Summit | Community |
| Women In Tech Summit | Community |
| Workshop on Information Technology and Systems | Computing |
| Web Based Inventory Tracking and Point of Sale | Computing |
| Wellsite Information Transfer Specification | Earth Science |
| World integrated Trade Solutions | General |
| Wales Interpretation and Translation Service | General |
| Water Industry Telemetry Standard | General |
| Worldwide Incidents Tracking System | General |
| Wisconsin Incident Tracking System | General |
| Wichita Industrial Trade Show | General |
| Work and Intelligent Tools and Systems | General |
| Water Industry Telemetry Standards | General |
| Workflow Information Tracking System | General |
| World Ionosphere Thermosphere Study | General |
| whatever it takes These | General |
| Wichita Industrial | General |
| Wills Information Tracking System | Governmental |
| Washington Interagency Telecommunications System | Governmental |
| Wisconsin Institute for Torah Study | Governmental |
| Webcourse Interactive Training Seminar | Jobs |
| Wireless Impedance Tomography System | Medical |
| Web Infrastructure For Treatment Services | Medical |
| Wwmccs Intelligent Terminal System | Military and Defence |
| Wwmccs Integrated Training Standards | Military and Defence |
| Washington Interagency Telecommunication System | Military and Defence |
| Seumayam, Indonesia | Regional |
| Women Information Technology and Scholarship | Technology |
| Web Interface for Telescience | Telecommunication |
