Companies
- Jumpship
- Junction Point
- Just Purkey Games
- Jutsu Games
- Kadokawa Games
- KAIKO
- Kalypso Media
- Kasedo Games
- Keen Games
- KeokeN Interactive
- Kepler Interactive
- Keywords
- Kick
- Kinetic Games
- King
- Kingston
- Kioxia
- Kite Games
- Kitfox Games
- Klabater
- Koch Media
- Koei
- Koei Tecmo
- Koelnmesse GmbH - gamescom
- Kojima Productions