- Washington University School of Medicine and Medical Center
- WashingTours and Events
- Washoe County Regional Medical Examiner's Office
- Washow County Sheriff's Office
- Washtenaw County
- Waste Equipment Technology Association
- Waste Management
- Watauga Medical Center
- Waterbury Hospital
- Waterloo Public Library
- Watertown Area United Way
- Watertown Regional Medical Center
- Wati Association of Biology Teachers
- Watson Realty ERA
- Watsonville Community Hospital
- Wauconda Area Chamber of Commerce
- Waukesha County
- Waverly Health Center
- Waverly Heights Ltd.
- Waverly-Shell Rock Area United Way
- Wawa, Inc.
- Wayne County
- Wayne County Board of Commissioners
- Wayne County Hospital
- Wayne County Sheriff's Office
- Wayne General Hospital
- Wayne State University
- Wayne State University School of Medicine
- Wayne UNC Health Care
- WCI Steel, Inc
- WCI, Inc.
- WDG Archetecture Planning Interior Design
- We Are Sharing Hope SC
- We Care Transportation, Inc.
- WEA Trust
- Weaver Publication, Inc.
- Weaverville Elementary School
- Weaverville Primary School
- Web Interactive Solutions, LLC
- Web Solutions, Inc.
- Web Surveyor Corporation
- Webcms
- Weber County Commission
- Weber School District
- Weber State University
- Webfirst, Inc.
- Webster County Memorial Hospital
- WEDGCO Engineering
- Weed Army Community Hospital
- Weeks Lerman