- Wageningen Plant Research
- Wagga Wagga Agricultural Institute
- Waisman Center [Madison]
- Wake Forest School of Medicine [Winston-Salem]
- Walt Disney Feature Animation
- Walter Schottky Institut
- Warmington
- Warsaw University of Tehnology, Faculty of Chemistry
- Warwick Manufacturing Group [Coventry]
- Warwick Mathematics Institute
- WasserCluster Lunz
- Water and Environmental Science and Engineering
- Water, Energy and Environment Laboratory
- Water Environment Technology
- Water Research Center
- Water Resources Section
- Water Resource Systems Research Laboratory, School of Civil Engineering and Geosciences
- Water Science & Policy Program
- Water Sciences Group
- Watteco
- Wave Research Center
- Websourd
- Weed Sci Ctr
- Weierstrass Institute and Humboldt University
- Weierstraß-Institut für Angewandte Analysis und Stochastik = Weierstrass Institute for Applied Analysis and Stochastics [Berlin]
- Weill Cornell Medical College in Qatar
- Weill Medical College of Cornell University Division of International Medicine and Infectious Diseases
- Wellcome Department of Imaging Neuroscience
- Wellcome Trust|Cancer Research UK Gurdon Institute
- Wellcome Trust Centre for Cell Biology
- Wellcome Trust Centre for Neuroimaging
- Wellcome Trust Genome Campus
- Wessex Clinical Genetics Service
- West Chester University
- Western Australian Centre for Geodesy
- Western College of Veterinary Medicine
- West German Heart Center
- West Midlands Regional Genetics Laboratory and Clinical Genetics Unit
- West Midlands Regional Genetics Service
- West Midlands Regional Genetics Unit
- West Neuroscience Network of Excellence
- West of Scotland Genetics Service (Queen Elizabeth University Hospital)
- Weta Digital
- Wet-Earth Eco-Specs
- Wetlands Research Group
- Wetsus
- Whist Lab
- Whitley Wildlife Conservation Trust
- WHO Collaborating Center for Food and Nutrition Policies, Department of Hygiene
- WHO - Regional Office for the Eastern Mediterranean [Cairo, Egypt]
- Wiggins Observatory
- Wildlife Conservation Society
- Wilhelm-Schickard-Institut für Informatik [Tübingen]
- Williams College
- WILLIS TOWERS WATSON LONDON GBR
- Wing Ltd Company
- WINLAB Rutgers University
- Winogradsky Institute of Microbiology [Moscow]
- Winship Cancer Institute
- Wireless and Power Line Communications Laboratory
- Wireless Communication Center (WCC)
- Wireless Systems Group
- Wireless Telecom Research Group [Fortaleza]
- Wisconsin Regional Primate Research Center
- WISELAB, Dalian University of Technology, Dalian, China
- Wolfgang Pauli Institute
- Wolfson Applied Materials Research Center
- Wolfson Molecular Imaging Centre
- World Health Organization Collaborating Centre Medical Research Council|National Institute of Medical Research
- WRIGHT STATE UNIVERSITY DEPARTMENT OF BIOLOGICAL SCIENCES DAYTON USA
- WSL Lausanne
- WSL SLF DAVOS DORF CHE
- W. Szafer Institute of Botany
- Wuhan National Laboratory for Optoelectronics [HUST]
- Wyeth Pharma GmbH
- Wyoming Center for Environmental Hydrology and Geophysics
- Wythenshawe Hospital [Manchester, UK]