Companies
- IO Interactive
- Iron Galaxy Studios
- Iron Gate Studio
- Ironbird Creations
- Irrational Games
- Jump Over the Age
- Kepler Interactive
- Koch Media
- Koei
- Koei Tecmo
- Koelnmesse GmbH - gamescom
- Kojima Productions
- Konami
- Konami Digital Entertainment
- Krafton
- KT Racing
- Kunos Simulazioni
- Kylotonn
- Kylotonn Racing Games
- Lancarse
- Larian Studios
- Lenovo
- Level-5
- Limbic Entertainment
- Limited Run