Group
- Mesa Mundi Inc.14
- Metal Weave Games Inc.4
- Metalborn Rogue4
- Metalhead Minis 18
- Meyow Studio2
- Michael Beuhler Events2
- Michael Southers1
- Michael Z. Williamson1
- Michigan Vanguards3
- Midwest Research II2
- Mike Ekins Gaming4
- Mile High Game Guys2
- Mind Melt Games1
- Mind's Eye Society2
- Misdirected Awesome Games8
- Modiphius11
- Mogchelle Cosplay2
- Monkeyfun Studios5
- Monocle Society57
- Monte Cook Games, LLC133