Politics and Business magazines
- Pilkington Group Limited
- Pillsbury Madison & Sutro LLP
- Pilot Air Freight Corp.
- Pilot Corporation
- Pilot Pen Corporation of America
- Pinault-Printemps-Redoute S.A.
- Pinguely-Haulotte SA
- Pinkerton’s Inc.
- Pinnacle Airlines Corp.
- Pioneer International Limited
- Pioneer Natural Resources Company
- Pioneer-Standard Electronics Inc.
- Piper Jaffray Companies Inc.
- Pirelli & C. S.p.A.
- Piscines Desjoyaux S.A.
- Pitman Company
- Pitney Bowes, Inc.
- Pittsburgh Brewing Company
- Pittsburgh Steelers Sports, Inc.
- Pixar Animation Studios