Politics and Business magazines
- Wipro Limited
- Wirtz Corporation
- Wisconsin Alumni Research Foundation
- Wisconsin Bell, Inc.
- Wisconsin Central Transportation Corporation
- Wisconsin Dairies
- Wisconsin Public Service Corporation
- Wise Foods, Inc.
- Witness Systems, Inc.
- Wizards of the Coast Inc.
- WLR Foods, Inc.
- Wm. B. Reily & Company Inc.
- Wm. Morrison Supermarkets PLC
- WMC, Limited
- WMX Technologies Inc.
- Wolfgang Puck Worldwide, Inc.
- Wolohan Lumber Co.
- Wolseley plc
- Wolverine Tube Inc.
- Womble Carlyle Sandridge & Rice, PLLC