Politics and Business magazines
- Pyramid Companies
- PZ Cussons plc
- Q.E.P. Co., Inc.
- Qantas Airways Ltd.
- Qatar Airways Company Q.C.S.C.
- Qatar General Petroleum Corporation
- Qatar National Bank SAQ
- Qatar Telecom QSA
- Qiagen N.V.
- QLT Inc.
- QSC Audio Products, Inc.
- Quad/Graphics, Inc.
- Quaker Fabric Corp.
- Quaker Foods North America
- Quality Chekd Dairies, Inc.
- Quality Dining, Inc.
- Quality Food Centers, Inc.
- Quality Systems, Inc.
- Quanta Computer Inc.
- Quanta Services, Inc.