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- Pacific Cycle - USA, was acquired by Dorel Industries in 2004. Owns GT, Mongoose, Murray, Roadmaster, and Schwinn brands
- Pacific Cycles - ROC, owns Birdy,
- Panasonic - Japan, successor to National
- Pashley Cycles - UK
- Patria - Germany
- Pedersen bicycle - UK
- Peugeot - France
- Phillips Cycles - UK
- Phoenix - China
- Pierce Cycle Company - USA (defunct)
- Pinarello - Italy
- Planet X - UK
- Pocket Bicycles - USA
- Pogliaghi - Italy
- Pope Manufacturing Company - USA (defunct)
- Premier - UK (defunct)
- Procycle Group - Canada, owns the Rocky Mountain Bicycles, Miele, also owns but not longer produces the Oryx, Mikado, VeloSport, Balfa, CCM, Peugeot brands.
- Prophete - Germany
- Puch - Austria
Read more about this topic: List Of Bicycle Brands And Manufacturing Companies