Companies
- Cognosphere
- Coin Crew Games
- Cold Iron Studios
- Cold Symmetry
- Color Gray Games
- Colossal Order
- Comic-Con International
- Communications Workers of America
- Compile Heart
- Compulsion Games
- Computer Artworks
- ConcernedApe
- Connect 2 Media
- Cook & Becker
- Cooler Master
- Core Design
- Corecell Technology
- Corsair
- Cosmo D Studios
- Cosmonaut Studios
- Cosy Computer
- Counterplay Games
- Crate Entertainment
- Crave Entertainment
- Crawfish Games