Companies
- Cold Symmetry
- Coldwood Interactive
- Colossal Order
- Com2uS
- Comcast
- Comcept
- Comet
- Communications Workers of America
- Compulsion Games
- comScore
- Conatus Creative
- Concept Ventures
- Conduit
- Connection Events
- Conspiracy Games
- Control Magazine
- Cook & Becker
- Copenhagen Game Collective
- Copychaser Games
- Corecell Technology
- Coresoft
- Cornerstone Interactive Studios
- Corsair
- Cosmic Lounge
- Counter Logic Gaming