Politics and Business magazines
- Westar Energy, Inc.
- WestCoast Hospitality Corporation
- Westcon Group, Inc.
- Westell Technologies, Inc.
- Westerbeke Corporation
- Western Atlas Inc.
- Western Beef, Inc.
- Western Company of North America
- Western Digital Corp.
- Western Gas Resources, Inc.
- Western Publishing Group, Inc.
- Western Resources, Inc.
- Western Wireless Corporation
- Westfield Group
- WestJet Airlines Ltd.
- Westmoreland Coal Company
- WestPoint Stevens Inc.
- Westport Resources Corporation
- Westwood One, Inc.
- Wetterau Incorporated