Group
- MOVE RATE 20 GAMES, LLC4
- Mage & Sage4
- Majestic Twelve Games4
- Matrix Games / HMGS4
- Mechs N More4
- Megacorp Games4
- Melior Via, LLC4
- Melissa Wyzlic4
- Merchants Of Mayhem4
- Mesa Mundi Inc4
- Metal Weave Games Inc.4
- Metroplex4
- Mike Ekins Gaming4
- Miller Stitch Designs4
- Ministry of Magic4
- Mogchelle4
- MomoCon4
- Morris-Butler House4
- Mystic Ape Games4
- National Mars Day LLC4