Politics and Business magazines
- Posterscope Worldwide
- Posti-Ja Telelaitos
- Potash Corporation of Saskatchewan Inc.
- Potbelly Sandwich Works, Inc
- Potomac Electric Power Company
- Potter & Brumfield Inc.
- Pou Chen Corporation
- Powell Duffryn Plc.
- Powell’s Books, Inc.
- Power-One, Inc.
- PowerBar Inc.
- Powerhouse Technologies, Inc.
- Pozen Inc.
- PPB Group Berhad
- PPL Corporation
- PPR S.A.
- PR Newswire
- Prada Holding B.V.
- Prairie Farms Dairy, Inc.
- Pranda Jewelry plc