Politics and Business magazines
- Biolase Technology, Inc
- bioMérieux S.A.
- Biomet, Inc.
- Biosite Incorporated
- Biovail Corporation
- BioWare Corporation
- Bird Corporation
- Birds Eye Foods, Inc.
- Birse Group PLC
- Birthdays Ltd.
- BISSELL Inc.
- BISSELL, Inc.
- BJ Services Company
- Black & Veatch LLP
- Black Box Corporation
- Black Diamond Equipment, Ltd
- Black Hills Corporation
- Blackboard Inc.
- Blackfoot Telecommunications Group
- BlackRock, Inc.