Group
- MedievalCookery2
- Meeple Ministry2
- Mendocino County Library, Ukiah Branch2
- Mercenaries of Mischief2
- Mercury Men Pictures LLC2
- Meridae Games2
- Metal Gods of Ur-Hadad2
- Meyow Studio2
- Michael Beuhler Events2
- Michael Satran2
- Michael Southers2
- Mike Becnel Games2
- Mile High Game Guys2
- Millennium Interactive Gaming and Mongoose Publishing2
- Mind Sports Olympiad2
- Minor Realm Games, LLC2
- Mockingbird/John O'Byrne2
- Mockingbird/Mic McVey2
- Mockman Games2
- Molten Sulfur Press2