- Wadsworth Center
- Wageningen BioVeterinary Research
- Wageningen Institute of Animal Sciences
- Wageningen University and Research [Wageningen]
- Wageningen UR Livestock Research
- Wagga Wagga Agricultural Institute
- Wake Forest University
- Wallaceville
- Wallenberg Centre for Molecular Medicine (WCMM)
- Walloon Excellence in Life sciences and BIOtechnology [Liège]
- Warnell School of Forestry and Natural Resources
- Warren Alpert Medical School of Brown University
- Warsaw Agricultural University
- Warsaw University of Life Sciences
- Warsaw University of Technology [Warsaw]
- Warwick
- Warwick Manufacturing Group [Coventry]
- Warwick Mathematics Institute
- Warwick Systems Biology
- Waseda University [Tokyo, Japan]
- Washington State University
- Washington University in Saint Louis
- Washington University School of Medicine in St. Louis
- Washington University School of Medicine [Saint Louis, MO]
- Water and Environment Laboratory, Faculty of Sciences and Computer Engineering Department of Chemistry and Life Sciences
- Waterford Institute of Technology
- Water Research Foundation
- WATERSCHAP VECHTSTROMEN NLD
- Wayne State University [Detroit]
- Wayne State University School of Medicine
- Web-Instrumented Man-Machine Interactions, Communities and Semantics
- Weill Cornell Medical College - Qatar, Qatar Foundation - Education City, Doha
- Weill Cornell Medicine [Qatar]
- Weill Medical College of Cornell University [New York]
- Weizmann Institute of Science [Rehovot, Israël]
- WELFARM
- Wellcome Sanger Institute
- Wellcome Trust
- Wellcome Trust|Cancer Research UK Gurdon Institute
- Wellcome Trust Centre for Integrative Neuroimaging
- Wellcome-Wolfson Institute For Experimental Medicine [Belfast]
- Wesleyan University
- WestCHEM
- West Coast Metabolomics Center
- Westerdijk Fungal Biodiversity Institute [Utrecht]
- Western Australian Museum
- Western College of Veterinary Medicine
- Western Sydney University
- Western University [London, ON, Canada]
- Westfälische Wilhelms-Universität Münster = University of Münster
- Westlake University [Zhejiang]
- Westmead Hospital [Sydney]
- West Tehran Islamic Azad University [Tehran]
- West University of Timişoara, Faculty of Economics and Business Administration, (ROMANIA)
- West Virginia University
- West Virginia University [Morgantown]
- Wetlands Research Group
- Wheaton College [Norton]
- Whipps Cross University Hospital
- WHO Collaborating Center on Prevention and Treatment of Human Echinococcosis
- WHO|FAO|OIE
- Wichita State University
- Wigner Research Centre for Physics [Budapest]
- Wilfrid Laurier University
- William Harvey Research Institute, Barts and the London Medical School
- Willow House
- Wisconsin Division of Public Health
- Wisium
- Wissenschaftliche Instrumente und Technologie GmbH
- WITec
- WIV ISP Site Ukkel, Serv Immunol, Rue Engelandstr 642, B-1180 Brussels, Belgium
- Wojskowy Instytut Medyczny
- Wolfson Centre for Age-related Diseases
- Wolfson Molecular Imaging Centre
- Women’s and Children’s Hospital [Adelaide]
- Women's College Research Institute [Toronto, ON, Canada]
- Woodbrook Medical Centre
- Woods Hole Oceanographic Institution
- World Bank Group
- World Health Organization
- World Health Organization [Phnom Penh]
- World Resources Institute
- World's Poultry Science Association
- World Vegetable Center
- World Vegetable Center - East and Southeast Asia
- WPI Immunology Frontier Research Center
- Wrocław Medical University
- Wroclaw Research Centre EIT+
- Wroclaw University of Environmental and Life Sciences
- Wroclaw University of Science and Technology
- Wrocław University of Science and Technology = Politechnika Wroclawska [Wrocław]
- WSL
- WSL Lausanne
- Wuhan Botanical Garden
- Wuhan Institute of Virology [Wuhan, China]
- Wuhan University [China]
- Wuhan University of Science and Technology
- WWF France
- Wydział Matematyki
- Wyeth Research [Cambridge]
- Wyle Laboratories