SYNTHETIC DYESTUFF
Archroma Japan, KK
Arimoto Chemical Co.,Ltd.
Asahi Chemical Co., Ltd.
Chuo Synthetic Chemical Co., Ltd.
DyStar Japan Ltd.
Heubach Colorants Japan K.K.
Hodogaya Chemical Co., Ltd.
Inoue Chemical Industry Ltd.
Kansai Dyestuff Manufacturing Co., Ltd.
Kasano Kosan Corporation
Kiwa Chemical Industry Co., Ltd.
Nankai Dyestuffs Mfg. Co., Ltd.
Nippon Chemical Works Co., Ltd.
Nippon Kayaku Co., Ltd.
Nippon Soda Co., Ltd.
Nissei Kasei Co., Ltd.
Oji Chemical Industry Ltd.
Showa Kagaku Kogyo Co., Ltd.
Showa Kako Corporation
Sumitomo Chemical Co., Ltd.
Sumitomo Chemical Industry Co., Ltd.
TAIYO Fine Chemicals Co.,Ltd.
Taoka Chemical Co., Ltd.
Tokyo Aniline Dyestuff Mfg. Co., Ltd.
Yamada Chemical Co., Ltd.
Yamamoto Chemicals, Inc.
ORGANIC PIGMENT
Arimoto ChemicalCo.,Ltd.
BASF Japan Ltd.
Daido Chemical Industry Co., Ltd.
Dainichiseika Color & Chemicals Mfg. Co., Ltd.
DIC Corporation
Fuji Pigment Co., Ltd.
Heubach Colorants Japan K.K.
Inagawa Pigment Manufacturing Co.,Ltd.
Mikuni Color Ltd.
Mitsuboshi Chemical Co., Ltd.
Muraron Co., Ltd.
NIKKO BICS Co.,Ltd．
Nippon Pigment Co., Ltd.
Noma Chemical Industry Co., Ltd.
OK-KASEI Co., Ltd.
Polycol Color Industries Co., Ltd.
Resino Color Industry Co., Ltd.
Sankyo Chemical Industry Co., Ltd.
Sanyo Color Works, Ltd.
Sumika Color Co., Ltd.
TOKYO PRINTING INK MFG. CO., LTD．
Tokyo Shikizai Ind. Co., Ltd.
Yamamoto Chemicals, Inc.
DYESTUFF, PIGMENT INTERMEDIATE
Chuo Synthetic Chemical Co., Ltd.
Daito Chemix Corporation
kansai Dyestuff Manufacturing Co., Ltd.
Kiwa Chemical Industry Co., Ltd.
Nankai Dyestuffs Mfg. Co., Ltd.
Oji Chemical Industry Ltd.
Sugai Chemical Industry Co., Ltd.
TAIYO Fine Chemicals Co.,Ltd.
Wakayama Seika Kogyo Co., Ltd.
ARTIFICIAL COLORS
Benifuji Chemical Industry Co., Ltd.
Daiwa Dyestuff Mfg. Co., Ltd.
Kiriya Chemical Co., Ltd.
Kishi Kasei Co., Ltd.
Koyo Kagaku Co.,Ltd．
Morimoto chemical Corporation
San-Ei Gen F.F.I., Inc.
ORGANIC RUBBER CHEMICALS
Kawaguchi Chemical Industry Co., Ltd.
Ouchishinko Chemical Industrial Co., Ltd.
Sanshin Chemical Industry Co., Ltd.
Seiko Chemical Co., Ltd.
Sumitomo Chemical Co., Ltd.
ORGANIC PHOTOCHEMICALS
Daito Chemix Corporation
Kawaguchi Chemical Industry Co., Ltd.
Mitsui Chemicals, Inc.
Nippon Kayaku Co., Ltd.
Sumitomo Chemical Co., Ltd.
Taoka Chemical Co., Ltd.
PHARMACEUTICAL INGREDIENT, AGROCHEMICALS INTERMEDIATE
Asahi Chemical Co., Ltd.
Daito Chemix Corporation
Daiwakasei Industry Co., Ltd.
Goni Chemical Industry Co., Ltd.
Heubach Colorants Japan K.K.
Hodogaya Chemical Co., Ltd.
Kansai Dyestuff Manufacturing Co., Ltd.
Mitsubishi Chemical Corporation
Mitsui Chemicals, Inc.
Nagase ChemteX Coporation
Nippon Junryo Chemicals Co., Ltd.
Nippon Kayaku Co., Ltd.
Nippon Soda Co., Ltd.
NIPPON STEEL Chemical & Material Co., Ltd.
Sanbo Chemical Ind. Co., Ltd.
Sankyo Kasei Co., Ltd.
Seiko Chemical Co., Ltd.
Sugai Chemical Industry Co., Ltd.
Sumitomo Chemical Co., Ltd.
TAIYO Fine Chemicals Co.,Ltd.
Tama Kagaku Kogyo Co., Ltd.
Taoka Chemical Co., Ltd.
Yamamoto Chemical Ind. Co., Ltd.
PHENOL
Honshu Chemical Industry Co., Ltd.
Mitsubishi Chemical Corporation
Mitsui Chemicals, Inc.
NIPPON STEEL Chemical & Material Co., Ltd.
ANILINE
PHTHALIC ANHYDRIDE
JFE Chemical Corporation
AIR WATER PERFORMANCE CHEMICAL INC.
Mitsubishi Gas Chemical Co., Inc.
NIPPON STEEL Chemical & Material Co., Ltd.
MALEIC ANHYDRIDE
CHLOROBENZENES
KUREHA CORPORATION
Nippon Light Metal Co., Ltd.
OTHERS
IGM Japan GK
Mikiriken Industrial Co., Ltd.
NIHON GOSEI KAKO Co., Ltd.
Shin-Nakamura Chemical Co., Ltd.
Shirado Chemical Works, Ltd.