Companies
- CG Spectrum
- CGS Software
- Chaf Games
- Chair Entertainment
- Changingday
- ChangYou
- Channel 4
- CharacterBank
- Cheesemaster Games
- Cheyenne Mountain Entertainment
- Chillingo
- Chips
- Chomp Ltd
- Chorus Worldwide Limited
- Chromatic Games
- Chucklefish Games
- CI Games
- Cie Games
- Cinemaware
- Circana
- CiRCLE
- City Interactive
- City State Entertainment
- Cliffhanger Productions
- Climax Group