Companies
- Gunzilla Games
- Gust
- Hadoque
- Haemimont Games
- HAL Laboratory
- Half Mermaid
- Halfbrick Studios
- Hammerfall Publishing
- Hammerpoint Interactive
- Hands-On Mobile
- Hangar 13
- Happion Labs
- Hardsuit Labs
- Harebrained Schemes
- Harmonix
- Harmonix Music Systems
- Hasbro
- Haven Studios LLC
- Hazelight Studios
- HB Studios
- HBO
- HBO Max
- Headcannon
- Headstrong Games
- Headup Games
- Heart Machine
- Hellbent Games
- Hello Games
- Her Interactive
- Herobeat Studios
- Herocraft
- Hexadrive
- HexWorks
- Hi-Rez Studios, Inc.
- Hidden Path Entertainment
- High Moon Studios
- High Voltage Software
- Highwire Games
- Hinterland
- Hipster Whale
- Hitbox Team
- Hitmaker
- HMV
- Hollow Ponds
- Honor Code
- Hooded Horse
- Hopoo Games
- Hothead Games
- Hotta Studio
- House House