Group
- Penny Dragon Games4
- Penny for a Tale1
- Penrose Press3
- People's Republic of Lemony Fresh1
- PeoriaCon5
- Perception Studio1
- Peregrine6
- Perihelion Media Works Ltd.1
- Personal Pilates24
- Personal Pilates & Yoga5
- Perspicacity Software1
- Peryton Gamers268
- Peryton Publishing2
- Pet Domination, LLC2
- Petersen Games250
- Petro Gaming Group6
- PetroGamingGroup2
- Philadelphia Area DRPG Players1
- Philadelphia Area RPG Players1
- Phoenix Dragon Games1