Group
- New World Gaming6
- North Star Games3
- Northern Virginia Gamers (NOVAG)18
- Novus Ordo Seclorum44
- ORC2
- Obsidian Portal2
- On The Lamb Games6
- Orc Stomp2
- Ottawa Red Shirts34
- Out of the Box Publishing21
- PHOENIX Interactive7
- PST Productions34
- Pagan Publishing5
- Paizo Publishing173
- Pamean Games7
- Pantheon Press5
- Panthos Entertainment12
- Party of One12
- Pawn and Hex2
- Pegasus Hobbies6