K2 Network
Kalypso Media
Katauri Interactive
KatGames
Kef Sensei
Kellogg
Kerberos Productions
KidSoft
Kinesoft Development
Kitchen Table Software
Knightsoft Technologies
Knowledge Adventure
KnowWonder
Koei
Kojima Productions
Konami Honolulu
Konami
Kozmo Games
Kraisoft Entertainment
Krell Software
Kristanix Studios
Krome Studios
Kuhl Software
Kuju Entertainment
Kyodai
Note: bolded names indicate companies that released a game within the last twelve months.