| Ivory
| http://www.ivory.co.jp
|
| Jya no Michi wa Hebi Soft
| http://www.jado-soft.com
|
| Jaleco
| http://www.jaleco.com
|
| Aqnos
| http://www.jam-creation.co.jp/aqnos/main.html
|
| Jane's Combat Simulations
| http://www.janes.ea.com
|
| JC Research
| http://www.jcresearch.com
|
| JCS Studio
| http://www.jcstudiofitness.com/
|
| Jellyvision
| http://www.jellyvision.com
|
| Jester Interactive
| http://www.jesterinteractive.co.uk
|
| Sony Computer Entertainment Inc.
| http://www.jp.playstation.com
|
| Jupiter
| http://www.jupiter.co.jp
|
| JV Games
| http://www.jvgames.com
|
| Kadokawa Shoten
| http://www.kadokawa.co.jp/
|
| Kalisto Entertainment
| http://www.kalisto.com
|
| KaosKontrol
| http://www.kaoskontrol.com
|
| Karma Labs
| http://www.karmalabs.com
|
| KAZe
| http://www.kazenet.com/kaze/
|
| KCEA Honolulu
| http://www.kcea-honolulu.com
|
| Kemco
| http://www.kemco-net.co.jp/
|
| Kerberos Productions
| http://www.kerberos-productions.com
|
| Kesmai Studios
| http://www.kesmaistudios.com
|
| Kheops Studio
| http://www.kheopsstudio.fr/
|
| KID Corporation
| http://www.kid-game.co.jp
|
| Kids Station
| http://www.kids-station.com
|
| Kiki-Mig
| http://www.kiki-mig.co.jp/
|
| For
| http://www.kiwi-us.com/~for/
|
| Knowledge Adventure
| http://www.knowledgeadventure.com
|
| KnowWonder
| http://www.knowwonder.com
|
| Kobi
| http://www.kobi.co.jp
|
| Kodiak Interactive
| http://www.kodiakgames.com
|
| Koei
| http://www.koei.co.jp
|
| KCE Nagoya
| http://www.konami.co.jp/kcen/
|
| Konami
| http://www.konami.com
|
| Papa Yeti
| http://www.konami.com
|
| Konami OSA
| http://www.konamiosa.com
|
| Konami STUDIO
| http://www.konamistudio.com/
|
| Konami TYO
| http://www.konamityo.com/
|
| KCET
| http://www.konamityo.com/
|
| Krisalis
| http://www.krisalis.co.uk/
|
| Krome Studios
| http://www.kromestudios.com
|
| Kronos Digital Entertainment Inc.
| http://www.kronosdigital.com/
|
| Kuju Entertainment
| http://www.kuju.com/
|
| Lab Rats
| http://www.labratsgames.com/
|
| The Learning Company
| http://www.learningco.com
|
| Le Chocolat
| http://www.lechoco.com/
|
| Left Field Productions, Inc.
| http://www.left.com/
|
| Legacy Interactive
| http://www.legacyinteractive.com
|
| Level-5
| http://www.level5.co.jp/
|
| Lexicon Entertainment
| http://www.lexiconentertainment.com/
|
| LG Electronics
| http://www.lge.com/
|