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(Published in the order of the Japanese syllabary)
Otsuka Pharmaceutical Co., Ltd.
Kyowa Hakko Kirin Co., Ltd.
GEKKEIKAN SAKE
SUGIYAMA CHEMICAL & INDUSTRIAL LABORATORY
SUDx-Biotec Corp.
SEIKAGAKU CORPORATION
DSP GOKYO FOOD & CHEMICAL
Tokyo Chemical Industry Co., Ltd.
Nagara Science Co.
The Noguchi Institute
T,Hasegawa Co., Ltd.
FUSHIMI Pharmaceutical Co., Ltd.
Matsutani Chemical industry Co,. Ltd.
Yakult Honsha Co., Ltd.
RIKEN VITAMIN Co., Ltd