- Waseda University [Tokyo, Japan]
- Water Resource Modeling
- Weaving of Software Components
- Web-Instrumented Man-Machine Interactions, Communities and Semantics
- Weierstraß-Institut für Angewandte Analysis und Stochastik = Weierstrass Institute for Applied Analysis and Stochastics [Berlin]
- Weill Cornell Medicine [Cornell University]
- Well Honed Infrastructure Software for Programming Environments and Runtimes
- Wesleyan University
- Western General Hospital
- Westfälische Wilhelms-Universität Münster = University of Münster
- Whitehall Reply S.r.l.
- Wigner Research Centre for Physics [Budapest]
- Wigner Research Centre for Physics of the H.A.S 29-33 Konkoly Thege Miklós út, Budapest 1121, Hungary
- Wireless Networking for Evolving & Adaptive Applications
- Wirtschaftsuniversität Wien [Austria]
- Wright State University