Companies
- House of Tales
- Housemarque
- HoYoVerse
- htc
- Hudson
- Hudson Soft
- Hugecalf Studios
- Hulu
- Human Head Studios
- HumaNature Studios
- Humanoid Studios
- Humble
- Humble Bundle
- Humble Games
- Humble Hearts
- Hydravision Entertainment
- Hyper Luminal Games
- Hyperkin Inc.
- Hypetrain Digital
- Ian Marsh
- Icarus Studios
- Ice-Pick Lodge
- Iceberg Interactive
- ICO Partners
- Icon Games
- id Software
- Idea Factory
- idol minds
- IDW Publishing
- IGN
- Ignition Studios
- IguanaBee Studios
- Ikea
- ILCA (I Love Computer Art)
- IllFonic
- Illumination Entertainment
- Image & Form
- Imagine Publishing
- Imangi Studios
- Implicit Conversions
- Impossible Studios
- Impulse Gear
- Indefatigable
- IndieGala
- Indigo Pearl
- Industrial Toys
- Infernum
- Infinitap Games
- Infinite Game Publishing
- Infinite Interactive