MUFG Group
Chugai Pharmaceutical Co., Ltd.
NEC Group
West Japan Passenger Railway Co., Ltd.
Osaka Gas Co., Ltd.
West Nippon Telegraph and Telephone Co., Ltd.
Otsuka Shokai Co., Ltd.
Japan IBM Co., Ltd.
Kawasaki Heavy Industries Co., Ltd.
Hitachi Group
Sharp Co., Ltd.
Mizuno Co., Ltd.
Shogakukan Shueisha Production Co., Ltd.
Sumitomo Mitsui Financial Group
JX Nippon Mining Stone Trading
Mitsubishi Electric Co., Ltd.
Suzuki Business Co., Ltd.
Lion Co., Ltd.
SECOM Co., Ltd.
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