Group
- Moosetache Games3
- Motley Kids40
- Mr.3
- Mr. B. Games11
- Mrs. Kraken Presents3
- Mrs. Kraken presents1
- Mutha Oith Creations1
- Myrmidon Design Bureau7
- MystBrigade196
- Mythical Eras of War, Games, LLC.22
- Mythos Busters1
- NW Indiana Boardgamers Association2
- Naptown Judges3
- National ASsociation of CRazed Gamers12
- National Security Decision Making, Inc.20
- Nauvoo Games LLC10
- NeoClassical Games Inc.1
- Nerd's Domain3
- New Ashkelon Radio2
- Ninja Division Publishing10