Politics and Business magazines
- Petró
- Petro-Canada Limited
- Petrobras Energia Participaciones S.A.
- Petrofina
- PetroFina S.A.
- Petrohawk Energy Corporation
- Petróleo Brasileiro S.A.
- Petróleos de Portugal S.A.
- Petróleos de Venezuela S.A.
- Petróleos del Ecuador
- Petroleum Development Oman LLC
- Petroleum Helicopters, Inc.
- Petroliam Nasional Bhd (Petronas)
- Petrolite Corporation
- Petron Corporation
- Petronas
- Petrossian Inc.
- Peugeot S.A.
- Pez Candy, Inc.
- PFSweb, Inc.