Group
- Milwaukee Magi-Nation League1
- Miskatonic Alumni Association1
- Mongoose Publishing48
- NACORD28
- NASCRAG7
- Nicolas Logue4
- Noble Hero Press7
- None3
- North Star Games5
- Northern Virginia Gamers (NOVAG)4
- One World by Night Shades of Crimson2
- Otaku RPG Student Group4
- Ottawa Red Shirts53
- Out of the Box33
- Oxford Game Design3
- PST Productions3
- Paizo Publishing, LLC18
- Paradigm Concepts14
- Paradigm Concepts, Inc.14
- Peryton Gamers5