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- P.J.'s Pier - Role-playing accessories
- Pacesetter Ltd - Role-playing games and board games (defunct)
- Padwolf Publishing - Role-playing games
- Pagan Publishing - Role-playing accessories
- Pagat Games - Board and card games
- Pajaggle - Board and spatial recognition games
- Paizo Publishing - Role-playing games and accessories
- Palabra - Card games
- Palladium Books - Role-playing games
- Pandahead Productions - Role-playing accessories
- Paradigm Concepts - Role-playing accessories
- Paragon Games - Role-playing games
- Paragrim Concepts - Role-playing accessories
- Pariah Press - Role-playing games
- Parker Brothers - Board games
- Parody Productions - Playing cards and puzzles
- Patch Products - Board and card games
- Partizan Press - Role-playing games
- Pegasus Hobbies - Miniatures
- Pegasus Press - Board games
- Pelgrane Press - Role-playing games
- Pendelhaven - Role-playing games
- Penrose Press - Card Games and Board Games
- People's Wargames - Wargames
- Peregrine Press - Role-playing games
- Perfect Timing Inc - Board games
- Perpetrated Press - Role-playing accessories
- Perry Moore Games - Wargames
- Perrin Miniatures - Miniatures
- Phage Press - Role-playing games
- Pharoah Games - Role-playing games
- Pharaoh's Guard Hobbies
- Pharos Press - Role-playing game
- PH Games - Role-playing games
- PHD Games - Miniatures
- PHI International Games - Sports board games
- Piatnik & Söhne - Card games
- Pinnacle Entertainment Group - Role-playing and collector card games
- Pinnacle Products - Miniatures
- Piquet - Wargames
- Pixel Warriors - Role playing games with a theme
- Placebo Press - Board games
- Plastwood - Board games
- Playroom Entertainment - Card and board games
- Plenary Games - Card games
- Poppo Brands LLC - Board and card games
- Point Zero Games - Army Of Zero card game and prize puzzle
- Portal (publisher) - Role-playing games
- Positive RolePlaying Inc - Board games
- Potted Palm Productions - Party games
- Precedence Entertainment - Collector card games
- Precis Intermedia - Role-playing games (formerly Politically Incorrect Games)
- Pressman Toy Corp. - Board games
- Price Stern Sloan - Card games
- Prince August - Miniatures
- Prince of Darkness Games - Role-playing games
- Privateer Press - Miniatures and role-playing games
- Propaganda Publishing - Role-playing games
- PsyX Games - Strategy board games and role-playing games
Read more about this topic: List Of Game Manufacturers