- A PLUS JAPAN, Inc.
- ACQUIRE CORPORATION
- AIQVE ONE Inc.
- AMATA K.K.
- AQUASTAR Inc,
- ARC SYSTEM WORKS CO.,LTD.
- ARIKA CO.,LTD.
- ATLUS CO.,LTD.
- AZSTOKE CO.,LTD.
- Akatsuki Games Inc.
- Ambition co., Ltd.
- Aniplex Inc.
- amazing Inc.
- ambr, Inc.
- BANDAI NAMCO Entertainment Inc.
- Binary Haze Interactive Inc.
- beyond Co., Ltd.
- C&C MEDIA CO,.LTD
- C4on,inc.
- CAPCOM CO.,LTD.
- CAVE Interactive CO.,LTD.
- CITY CONNECTION CO., LTD.
- COGNOSPHERE Inc.
- COLOPL,Inc.
- CRI Middleware Co., Ltd.
- Cluster,Inc.
- CyberAgent, Inc.
- CyberStep,Inc.
- Cygames, Inc.
- coly, Inc.
- D.A.G Inc.
- D3PUBLISHER INC.
- DICO Co., Ltd.
- DIGITAL Hearts Co., LTD
- DWANGO CO.,LTD.
- DeNA Co., Ltd.
- Deluxe Games Inc.
- Diarkis Inc.
- Dimps Corporation
- Dragami Games, Ltd.
- Drecom Co.,Ltd.
- double jump.tokyo Inc.
- ELSIAVERSE LLC
- ENTERGRAM,INC.
- Edia Co.,Ltd.
- Electronic Arts K.K.
- e-smile CO.,LTD.
- enish,inc.
- FROM SOFTWARE [JAPAN],INC.
- FUN Corporation
- FURYU CORPORATION
- FlameHearts Co., Ltd.
- Fuji Culture X,Inc.
- GANBAREL Inc.
- GREE, Inc.
- Game Server Services,Inc.
- Gee Plus Inc.
- Gemdrops, Inc.
- Genki Co.,Ltd.
- Ginga software Co.,Ltd
- Good-Feel Co.,Ltd.
- Granzella Inc.
- GungHo Online Entertainment,Inc.
- HAMSTER Corporation
- HAPPINET CORPORATION
- HEADLOCK INC.
- HEXADRIVE Inc.
- historia Inc.
- I-FREEK GAMES INC.
- IDEA FACTORY CO.,LTD.
- ILINX, Inc.
- IMAGICA GEEQ Inc.
- INTI CREATES Co.,Ltd.
- IREM SOFTWARE ENGINEERING INC.
- InfoLens, Inc.
- Interworks Confidence Inc.
- Izanagi Games,Inc.
- JP GAMES, Inc.
- KEY WEST CO.,LTD
- KLab Inc.
- KOMODO Co., Ltd.
- Kakehashi Games GK
- Keywords International Co., Ltd.
- Konami Digital Entertainment Co.,Ltd.
- LEVEL-5 Inc.
- LIBER ENTERTAINMENT INC.
- LIONA Ltd.
- LY Corporation
- Lapin, Inc.
- Lasengle Inc.
- Linked Brain Inc.
- Lucent Global Inc.
- MAKING Co., Ltd
- Marvelous Inc.
- Mediba Inc.
- Meteorise Inc.
- Microsoft Japan Co., Ltd.
- Mynet Inc.
- miHoYo, Inc.
- mixi, Inc.
- monoAI technology Co.,Ltd.
- NHN JAPAN corp.
- NatsumeAtari Inc.
- Neilo Inc.
- Nisshinken co.,ltd.
- Now Production Co.,Ltd.
- noisycroak Co.,Ltd.
- Oizumi Amuzio Inc.
- One or Eight INC.
- POLYGON MAGIC,INC.
- PROTOTYPE co., ltd.
- PYGMY STUDIO CO., LTD.
- Pikii LLC.
- PingCAP Kabushiki-Kaisha
- PlatinumGames Inc.
- Pokelabo, Inc.
- Pole To Win Co.,Ltd.
- Prodigy Co.,Ltd.
- Production I.G., Inc.
- R-FORCE ENTERTAINMENT INC.
- SEGA CORPORATION
- SHAKE Entertainmant Inc.
- SHIFT, Inc.
- SHUEISHA GAMES INC.
- Smilegate Megaport Japan
- SNK CORPORATION
- SOFT GEAR Co.,Ltd
- SPIKE CHUNSOFT CO.,LTD.
- SQUARE ENIX CO.,LTD.
- SUCCESS Corporation
- SYSTEM 3 JAPAN LTD
- Safari Games Co.,Ltd
- Sankei Digital Inc.
- Silicon Studio Corporation
- Sonic Powered Co.,Ltd.
- Sony Interactive Entertainment Inc.
- TAMSOFT CORPORATION
- TATSUJIN Co., Ltd.
- TECMO KOEI GAMES CO., LTD.
- TENDA Games Co.,LTD.
- THQ Nordic Japan KK
- TOMY COMPANY,LTD.
- Taito Corporation
- The Pokémon Company
- The Walt Disney Company(Japan)Ltd.
- ThinkingData Inc.
- Thirdverse, Co., Ltd.
- Ubi Soft K.K.
- Virtuos Japan K.K.
- Voltage Incorporation
- WANDA CINEMAS GAMES Co., Ltd
- WINLIGHT Co.,Ltd.
- WIZARDSOFT CORPORATION
- Wargaming Japan Ltd.
- YUKE´,S CO.,LTD.
- Yostar,Inc.
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