Whoa, full list is out. http://www.joystiq.com/2013/02/20/heres-everyone-working-on-a-ps4-game/
List of Third Party Game Developers and Publishers
As of February 20th, 2013
(in alphabetical order of developer/publisher)
<JAPAN>
ACQUIRE Corp.
KADOKAWA SHOTEN CO., LTD.
ARC SYSTEM WORKS CO.,LTD.
Konami Digital Entertainment Co., Ltd.
ARTDINK CORPORATION
LEVEL-5 Inc.
ASCII MEDIA WORKS Inc.
MAGES. Inc.
Bethesda Softworks, LLC
MarvelousAQL Inc.
CAPCOM
NAMCO BANDAI Games Inc.
Chara-Ani Corporation
NAMCO BANDAI Studios Inc.
CRAFTS & MEISTER CO.,LTD.
NIHON FALCOM CORPORATION
CyberConnect2 Co.,Ltd.
Nippon Ichi Software, Inc.
D3 PUBLISHER Inc.
O-TWO inc. (peakvox)
Dimps Corporation
PlatinumGames Inc.
Electronic Arts Inc.
SEGA Corporation
FromSoftware, Inc.
SPIKE CHUNSOFT Co.,Ltd.
GANBARION Co., Ltd.
SQUARE ENIX Co., Ltd.
Genki Co., Ltd.
SystemSoft Alpha Corp.
Granzella Inc.
TECMO KOEI GAMES Co.,Ltd.
GRASSHOPPER MANUFACTURE INC.
TOSE CO., LTD.
GungHo Online Entertainment, Inc.
tri-Ace Inc.
GUST CO.,LTD.
Ubisoft Entertainment
IDEA FACTORY Co., Ltd.
WILL CO., LTD
IMAGEEPOCH INC.
XING Inc.
Index Corp.(ATLUS)
YUKE'S Co.,Ltd.
KADOKAWA GAMES,LTD.
45 companies in total
<ASIA>
BLUESIDE Inc.
Ratloop Asia Pte Ltd
Red Hare Studios
XPEC Entertainment Inc.
4 companies in total
<NORTH AMERICA>
17-Bit
JETPACK Interactive Entertainment Ltd.
5th Cell Media LLC
Klei Entertainment Inc.
Activision Publishing, Inc.
Lab Zero, Inc
Armature Studios
LucasArts, a Lucasfilm Ltd. company
Behaviour Interactive
Metanet Software Inc
Bethesda Softworks, LLC
Minority Media Inc.
Blind Squirrel Games®
Nicalis, Inc
Certain Affinity, Inc.
Panic Button, LLC
Darkside Game Studios, Inc.
Psyonix Studios, Inc.
Devolver Digital
Slant Six Games
©Disney
Sony Online Entertainment LLC
Double Fine Productions, Inc.
Spark Unlimited
Double Helix Games
Spry Fox LLC
DrinkBox Studios Inc.
SuperVillain Studios
Edge of Reality, Inc.
Take-Two Interactive Software, Inc.
Electronic Arts Inc.
Telltale, Inc.
FarSight Studios
Tribute Games Inc.
Gaijin Games, Inc.
Turtle Rock Studios, Inc.
Gearbox Software
Ubisoft Entertainment
HB Studios Multimedia
vBlank Entertainment Inc.
Heavy Iron Studios, Inc.
Warner Bros. Interactive Entertainment, Inc.
High Voltage Software, Inc.
WayForward Technologies, Inc.
inXile Entertainment Inc.
Zombie Studios, LLC
Iron Galaxy Studios, LLC
47 companies in total
<EUROPE / PAL>
4A Games
Kalyspo Media
505 Games
Laughing Jackal
Abstraction
Ludosity
Beatshapers
Mediatonic
Big Ant
Milestone
Big Bit
Mojang
BitComposer
Onmi Systems
Bloober Team S.A.
Prodigy Design
Boss Alien
Ripstone
Bugbear
Roll7
Cauldron
Ronimo
City Interactive
Rovio
Criterion Games
Shortround
Croteam
Sperasoft
Curve Studios
Sproing
Dakko Dakko Ltd
Stormbasic
Deck 13
Straight Right
Double Eleven
Targem
Eko Software
Tate
FatShark
Techland
Flying Wildhog
Tonika
Four Door Lemon
Torus Games
Frozenbyte
Vector Cell
FuturLab
Virtual Toys
Gaijin
Vlambeer
GHOST GAMES - AN EA STUDIO
Wizarbox
Green Hill Studios
