Group
- Lone Wolf Development1
- Loose Bolt Games5
- Lootylicious2
- Lurkers in the Valley Productions4
- Lynnvander Inc.8
- M Collective14
- MAMS Gaming6
- MEGA18
- MERCS7
- MHE5
- MHE Crew7
- MU Skulls20
- Machine Age Productions1
- Machine Code Games11
- Mack Games9
- Madison Traditional Gaming3
- Magpie Games1
- Maille Man21
- Mantic Games1
- Margaret Weis Productions26