- Wadsworth Center
- Wageningen Environmental Research (Alterra)
- Wageningen University and Research [Wageningen]
- Waisman Center [Madison]
- Wake Forest Baptist Medical Center
- Wake Forest School of Medicine [Winston-Salem]
- Walloon Excellence in Life sciences and BIOtechnology [Liège]
- Warneford Hospital [Oxford]
- Warsaw University of Technology [Warsaw]
- Warwick Manufacturing Group [Coventry]
- Warwick Mathematics Institute
- Warwick Medical School
- Waseda University [Tokyo, Japan]
- Washington University in Saint Louis
- Washington University School of Medicine in St. Louis
- Water Resource Modeling
- Wayne State University [Detroit]
- Weaving of Software Components
- Web, adaptation and multimedia
- WEB Architecture x Semantic WEB x WEB of Data
- Web-Instrumented Man-Machine Interactions, Communities and Semantics
- Web Research Group [Barcelona]
- Web Scale Trustworthy Collaborative Service Systems
- Weill Cornell Medicine [Cornell University]
- Weill Medical College of Cornell University [New York]
- Weizmann Institute of Science [Rehovot, Israël]
- Wellcome Department of Imaging Neuroscience
- Wellcome Trust|Cancer Research UK Gurdon Institute
- Wellcome Trust Centre for Neuroimaging
- Wellcome Trust Genome Campus
- Well Honed Infrastructure Software for Programming Environments and Runtimes
- Western General Hospital
- Western Illinois University
- Western Michigan University [Kalamazoo]
- Western Sydney University
- Westfälische Wilhelms-Universität Münster = University of Münster
- West Neuroscience Network of Excellence
- West Virginia University [Morgantown]
- Wildmoka
- Wilfrid Laurier University
- Willink Transformations, Ltd
- Wind Energy Division [Roskilde]
- Winogradsky Institute of Microbiology [Moscow]
- Wireless Networking for Evolving & Adaptive Applications
- Wireless Systems Group
- Wolfgang Pauli Institute
- Wonkwang University
- Worcester Polytechnic Institute
- World Vegetable Center
- Wroclaw University of Science and Technology
- Wrocław University of Science and Technology = Politechnika Wroclawska [Wrocław]
- W. Szafer Institute of Botany
- Wuhan University [China]
- Wuxi Studio