Companies
- HAL Laboratory
- Half Mermaid
- Halfbrick Studios
- Hands-On Mobile
- Hangar 13
- Happy Volcano
- Hardball Games
- Hardsuit Labs
- Harebrained Schemes
- Harmonix
- Harmonix Music Systems
- Hasbro
- Hazelight Studios
- HB Studios
- HBO
- HBO Max
- HD Interactive
- Headcannon
- Headup Games
- Heart Machine
- Hello Games
- Herobeat Studios
- Hexadrive
- HexWorks
- Hi-Rez Studios, Inc.