- W. K. Kellogg Biological Station
- W.M. Keck Laboratory for Space and Planetary Simulation [Fayetteville]
- WEO Department
- WHO Collaborating Center on Prevention and Treatment of Human Echinococcosis
- WHO Collaborating Center on Prevention and Treatment of Human Echinococcosis, SERF Unit
- WHO Collaborating Centre for Metabolic Bone Diseases
- WHO Collaborating Centre for Public Health Aspects of Musculoskeletal Health and Ageing [Liège, Belgique]
- WHRI
- WPI Advanced Institute for Materials Research
- WSL Lausanne
- WSL SLF DAVOS DORF CHE
- WUHAN BOTANICAL GARDEN
- Wadia Institute
- Wadia Institute of Himalayan Geology
- Wadia Institute of Himalayan Geology - WIHG (INDIA)
- Wagenigen University
- Wageningen BioVeterinary Research
- Wageningen Environmental Research
- Wake Forest School of Medicine [Winston-Salem]
- Wallenberg Research Centre at Stellenbosch University
- Walloon Excellence in Life Sciences and BIOtechnology (WELBIO), Metabolism and Nutrition Research Group, Louvain Drug Research Institute
- Warmington
- Warwick Business School
- Warwick Manufacturing Group [Coventry]
- Warwick Mathematics Institute
- Warwick Systems Biology Centre
- Washington National Primate Research Center [Seattle]
- WasserCluster Lunz
- Water - Earth System Science Research Institute
- Water Engineering and Management
- Water Management and Systems Research
- Water Problems Institute
- Water Problems Institute of the Russian Academy of Sciences
- Water Research Center
- Water Research Laboratory
- Water Resources Engineering
- Water Resources Section
- Water and Environment
- Water and Environment Laboratory, Faculty of Sciences and Computer Engineering Department of Chemistry and Life Sciences
- Water and Environment Research Group
- Watermeadow Medical USA
- Wave Research Center
- Websourd
- Wegener Center for Climate and Global Change
- Weierstraß-Institut für Angewandte Analysis und Stochastik = Weierstrass Institute for Applied Analysis and Stochastics [Berlin]
- Weill Cornell Medical College - Qatar, Qatar Foundation - Education City, Doha
- Weill Cornell Medical College in Qatar
- Weill Medical College of Cornell University Division of International Medicine and Infectious Diseases
- Well Advanced Solutions
- Wellcome Trust Centre for Cell Biology
- Wellcome Trust Centre for Gene Regulation and Expression
- Wellcome Trust Centre for Mitochondrial Research [Newcastle upon Tyne, UK]
- Wellcome Trust Centre for Neuroimaging
- Wellcome Trust Ctr Human Genet
- Wellcome Trust Genome Campus
- Wellcome Trust-Mahosot Hospital-Oxford Tropical Medicine Research Collaboration
- Wellcome Trust|Cancer Research UK Gurdon Institute
- West Chem
- West Midlands Regional Genetics Service
- WestCHEM
- Western General Hospital
- Western General Hospital, Edinburgh
- Wetland and Aquatic Research Center
- Wetland and Marine Section
- Wetland ecology department (Seville, Espagne)
- Wetlands Research Group
- White Associates
- Wichita State University
- Wildlife Biology Program
- Wildlife Research Division
- Willamette University
- William B. Hanson Center for Space Sciences
- William J. Hughes Technical Center
- William R. Wiley Environmental Molecular Sciences Laboratory
- Williams College
- Willink Biochemical Genetics Unit
- Winogradsky Institute of Microbiology [Moscow]
- Winship Cancer Institute
- Wireless Communication Center (WCC)
- Wireless and Advanced Netwotks (NR2) Team
- Wisconsin Division of Public Health
- Wisconsin Regional Primate Research Center
- Wise Observatory and Department of geophysics and planetary sciences
- Wolfgang Pauli Institute
- Wolfson Atmospheric Chemistry Laboratories
- Wolfson Drug Discovery Unit
- Wolfson Medical Vision Laboratory
- Woods Hole Oceanographic Institution, Department Geology and Geophysics
- Woolcock Institute of Medical Research [Sydney]
- World Agroforestry Centre [CGIAR, Cameroun]
- World Bank
- World Data Centre
- World Food Program
- World Health Organisation
- World Health Organisation (WHO), country office for Somalia
- World Health Organization
- World Health Organization (WHO), country office for Thailand
- World Health Organization [Phnom Penh]
- World Weather Research Programme, World Meteorological Organization, Geneva, Switzerland
- WorldWide Antimalarial Resistance Network
- Wuhan National High Magnetic Field Center and School of Physics
- Wyle Laboratories
- walther-Meribner Institut