- West Holt Medical Services
- West Jefferson Medical Center
- West Kendall Baptist Hospital
- West Liberty Foods
- West Penn Hospital
- West Roxbury YMCA
- West Sacramento Chamber of Commerce
- West Sacramento Police Department
- West Senecca Central School District
- West Tennessee Healthcare Camden Hospital
- West Tennessee Healthcare Milan Hospital
- West Tennessee Healthcare Volunteer Hospital
- West Valley City
- West Valley City Public Relations and Neighborhood Services Office
- West Virginia Hospital Association
- West Virginia Society of Association Executives
- West Virginia University
- West Virginia University Hospital Transplant Division
- West Virginia University SODA
- West-MEC Western Marisopa Education Center
- Westar Energy
- WESTAT
- Westchester County Clerk
- Westchester County Department of Senior Programs and Services
- Westchester County Tourism
- Westchester Medical Center
- Westcoast Hotels
- Westcon Group
- Westel Inc.
- Western Arizona Regional Medical Center
- Western Branch High School
- Western Carolina Medical Society
- Western Carolina University
- Western Dairyland Community Action Agency
- Western Gas Resources
- Western Health Advantage
- Western Highlands Network
- Western Illinois University
- Western Kentucky University School of Nursing and Allied Health
- Western Michigan University
- Western Michigan University, College of Health and Human Services
- Western North Carolina Baptist Retirement Home
- Western North Carolina Regional Air Quality Agency
- Western Ohio Education Association
- Western Pacific Renal Network, LLC
- Western Piedmont Community College
- Western Society of Periodontology
- Western Wats Center
- Westfield Memorial Hospital
- Westfields Hospital