- Winn Parish Medical Center
- Winnebago County
- Winnebago County Coroner's Office
- Winneshiek Medical Center
- Winnie Palmer Hospital for Women and Babies
- WinnMed
- Winona County
- Winona County - West Third
- Winona State University
- Winston Medical Center
- Winston Salem CVB
- Winston Salem-Forsyth County Schools
- Winston-Salem State University
- Winter Haven Hospital
- Wiregrass Medical Center
- Wiregrass United Way
- Wisan Smith Racker and Prescott
- Wisconsin Automobile and Truck Dealers Association
- Wisconsin Bankers Association
- Wisconsin Coalation on Donation
- Wisconsin Counties Association-LaCrosse
- Wisconsin Counties Association-Madison
- Wisconsin Dental Association
- Departamento de Salud y Servicios de la Familia de Wisconsin
- Wisconsin Division of Motor Vehicles
- Wisconsin Fraternal Insurance Congress
- Wisconsin Health Care Association
- Wisconsin Manufatures and Commerce Association
- Wisconsin Medical Society
- Wisconsin Physicians Service
- Wisconsin Primary Health Care Association
- Wisconsin Ready Mixed Concrete Association
- Wise Health System
- WISE Radio
- Witt Biomedical
- Witt, Mares and Company
- WJSR Radio
- WKHK K95)
- WMAL Radio
- WNC Community Health Services
- WNC Group Homes for Autistic Persons, Inc.
- WNC Organ and Tissue Donation Initiative
- WNC Packaging and Distributions
- Wohl Appraisals
- Woldenberg Village
- Wolfington Body Company, Inc.
- Wolfson Children's Hospital
- Woman's Hospital
- Women and Infants Hospital of Rhode Island
- Women's Basketball Coaches Association