Companies
- Guerrilla Games
- Gugames
- Gun Media
- Gunfire Games
- Gunzilla Games
- Gust
- Hadoque
- Haemimont Games
- HAL Laboratory
- Hangar 13
- Happy Broccoli Games
- Hardsuit Labs
- Harebrained Schemes
- Harmonix Music Systems
- Hasbro
- Hasbro Pulse
- Haven Studios LLC
- Hazelight Studios
- HB Studios
- HBO
- HBO Max
- Headcannon
- Headup Games
- Heart Machine
- Hellbent Games