Companies
- Live Wire
- LocalThunk
- Logitech
- Looking Glass Studios
- Lucas Pope
- LucasArts
- Lucasfilm
- Lucasfilm Games
- Luminous Productions
- Lunar Software
- MachineGames
- MachineWorks Northwest
- Mad Head Games
- Madmind Studio
- MAGES
- Mainframe
- Marvel
- Marvel Studios
- Marvelous
- Marvelous, Inc.
- Mass Media Interactive Entertainment
- Massive Entertainment
- Massive Monster
- Matt Thorson
- Maverick Games