Group
- OWBN Shades of Crimson2
- Open Design2
- Ottawa Red Shirts112
- Out of teh Box1
- Out of the Box32
- PST Productions3
- Paizo Publishing and Sinister Adventures2
- Paizo Publishing, LLC17
- Paradigm Concepts17
- Patrick Benson3
- Peryton Gamers10
- Pinnacle Entertainment Group1
- Plaid Chameleon Games7
- Plaid Chameleons1
- Planewalker.com2
- Player vs Player Events1
- Privateer Press38
- Proverbial Players1
- Pulp Monsters3
- Quiett Nights1