Below is a list of businesses which begin with W.
- WPP
- W. L. Gore & Associates Inc.
- Warner-Lambert Corporation
- Williams-Sonoma, Inc.
- Wisconsin Energy Corporation
- WellPoint, Inc.
- Websense, Inc.
- Walt Disney Company, The
- Wind River
- Whole Foods
- Weight Watchers
- Willis Group Holdings
- Wynston Hill Capital
- Wells Fargo & Company
- Washington Companies, The
- William Blair & Company
- Wilson & Associates, PLLC