Group
- Mary Crowell1
- Maxveld Games LLC4
- Mayday Games15
- Mayfair Games577
- MedievalCookery.com1
- Melior Via3
- Memento Mori Theatricks1
- Men of the Open Hand1
- Meridae Games2
- Mesa Mundi14
- Metalhead Minis12
- Mid-Hudson Gaming Geeks3
- Mind's Eye Society & The Wrecking Crew27
- Mindtwister USA4
- Mini Art of War1
- Minion Games11
- Minon Games1
- Mirror Box Games5
- Miskatonic Alumni Association1
- MomoCon4