Group
- Mindtwister USA4
- Minion Games9
- Miskatonic Alumni Association1
- MojoGames1
- Mongoose Publishing3
- Monkey Business Institute2
- Monte Cook1
- Moosetache Games23
- Mythical Eras of War Games, LLC.15
- NAtional ASsociation of CRazed Gamers11
- NERO Chicago59
- NIS America7
- NSDM25
- Neil's Knights2
- New World Gaming Co.14
- Nexus Gaming Alliance54
- North Coast Gamers1
- North Star Games1
- Northern Ohio Wargaming Society5
- Northern Virginia Gamers (NOVAG)18