Group
- Legendsmiths2
- Linchipper Enterprises6
- Liquid Car Productions4
- Living Spycraft9
- Lone Wolf Development, Inc.1
- Looney Labs7
- M Collective15
- MU Skulls26
- MU Skuls1
- Mad X Games2
- Mad X games1
- Margaret Weis Productions, Ltd.59
- Matrix Games1
- Matrix Games / HMGS4
- Mayfair Games340
- Media Blasters9
- Merciless Trio Productions2
- Mid-Hudson Gaming Geeks3
- Mike Stackpole6
- Millennium Interactive Gaming4