- W. M. Keck Observatory
- Wageningen University
- Wake Forest University
- Wake Forest University Baptist Medical Center
- Walter and Eliza Hall Institute
- Walter and Eliza Hall Institute of Medical Research
- Waseda University
- Washington State University
- Washington University in St. Louis
- Washington University School of Medicine
- Washington University School of Medicine in St. Louis
- Wayne State University
- Weber Shandwick Worldwide
- Weber State University
- Weill Cornell Medical College
- Weizmann Institute of Science
- Wellcome Trust
- Wellcome Trust Sanger Institute
- Wellesley College
- West Virginia University
- Western Illinois University
- Western Michigan University
- Western Sydney University
- Westmont College
- Wetlands International
- Whitehead Institute for Biomedical Research
- Wichita State University
- Wild Nature Institute
- Wildlife Conservation Society
- Wiley
- William & Mary
- Williams College
- Williams College Museum of Art
- Wits University
- Wolters Kluwer Health
- Women & Infants Hospital
- Women's College Hospital
- Woods Hole Oceanographic Institution
- Woods Hole Research Center
- Worcester Polytechnic Institute
- World Agroforestry Centre (ICRAF)
- World Heart Federation
- World Journal of Gastroenterology
- World Scientific Publishing
- WorldFish Center
- Wright State University
- WWF
- WWF-New Zealand
