Politics and Business magazines
- Quantum Chemical Corporation
- Quark, Inc.
- Quelle Group
- Quest Diagnostics Inc.
- Quidel Corporation
- QuikTrip Corporation
- Quill Corporation
- Quilmes Industrial (QUINSA) S.A.
- Quixote Corporation
- Quovadx Inc.
- QVC Inc.
- QVC Network Inc.
- Qwest Communications International, Inc.
- R&B, Inc.
- R. Griggs Group Limited
- R. L. Polk & Co.
- R. M. Palmer Co.
- R. R. Donnelley & Sons Company
- R.B. Pamplin Corp.
- R.C. Bigelow, Inc.