Politics and Business magazines
- Whitney Holding Corporation
- Whittard of Chelsea Plc
- Wickes Companies, Inc.
- Wickes Inc.
- Widmer Brothers Brewing Company
- Wieden + Kennedy
- Wienerberger AG
- Wilbert, Inc.
- Wilbur Chocolate Company
- Wilkinson Hardware Stores Ltd.
- Wilkinson Sword Ltd.
- Willbros Group, Inc.
- William Grant & Sons Ltd.
- William Hill Organization Limited
- William L. Bonnell Company, Inc.
- William Lyon Homes
- William Morris Agency, Inc.
- William Reed Publishing Ltd.
- William Zinsser & Company, Inc.
- Williams & Connolly LLP