Ordered alphabetically by company name. Websites, if available, are in Japanese only unless otherwise noted. |
Chlor-alkali Group |
Asia Industry Co., Ltd. |
Website (English available) |
Petrochemical Group |
Acepack Co., Ltd. |
Website |
Ancillary |
Hiyoshi Chemical Industries Co., Ltd. |
|
Petrochemical Group |
Hokuetsu Kasei Co., Ltd. |
Website |
Ancillary |
Hosojima Port Cargo Co., Ltd. |
|
Ancillary |
Hososhima Port Cargo Co., Ltd. |
|
Ancillary |
Hyuga Unyu Co., Ltd. |
|
Engineering Group |
Izumi Sangyo Co., Ltd. |
Website |
Ancillary |
Kansai Shipping Co., Ltd. |
|
Ancillary |
Kasumi Kyodo Jigyo Co., Ltd. |
Website |
Ancillary |
Keiyo Koun Co., Ltd. |
|
Ancillary |
Koun Marine Co., Ltd. |
|
Ancillary |
Koun Industry Co., Ltd. |
|
Ancillary |
Kyoei Mercantile Co., Ltd |
|
Chlor-alkali Group |
Lonseal Corporation |
Website (English available) |
Specialty Group: Organic Chemicals |
Manac Incorporated |
Website (English and Chinese available) |
Specialty Group: Organic Chemicals |
MANAC Chemical Partners Co.,Ltd. |
Website (English available) |
Chlor-alkali Group |
Minami Kyushu Chemical Industry Co., Ltd. |
Website |
Ancillary |
Nihon Kaisui Chemica Co., Ltd. |
|
Chlor-alkali Group |
Nippon Miractran Co., Ltd. |
|
Engineering Group |
Organo Corporation |
Website (English available) |
Engineering Group |
Organo Plant Service Corporation |
|
Engineering Group |
Organo Food Tech Corporation |
Website (English available) |
Engineering Group |
Organo Acty Corporation |
|
Chlor-alkali Group |
Plas-Tech Corporation |
Website |
Petrochemical Group |
Rensol Co., Ltd. |
|
Specialty Group: Advanced Materials |
Rin Kagaku Kogyo Co., Ltd. |
Website (English available) |
Petrochemical Group |
Sankyo Chemical Industry Inc. |
Website |
Engineering Group |
Sanwa Construction Co., Ltd. |
Website |
Engineering Group |
Seiwakouki Co., Ltd. |
Website |
Petrochemical Group |
Shinomura Chemical Industry Corporation |
Website |
Chlor-alkali Group |
Taihei Chemicals Ltd. |
Website (English available) |
Chlor-alkali Group |
Taiyo Vinyl Corporation |
Website (English available) |
Ancillary |
Toho Acetylene Co., Ltd. |
Website |
Ancillary |
Toho Unyu Co., Ltd. |
|
Ancillary |
Tohoku Denki Tekko Co., Ltd. |
Website |
Ancillary |
Tohoku Tosoh Chemical Co., Ltd. |
Website |
Ancillary |
Tohoku Maintenance Co., Ltd. |
|
Chlor-alkali Group |
Tokuyama Sekisui Co., Ltd. |
Website |
Specialty Group: Bioscience |
Tosoh AIA, Inc. |
|
Ancillary |
Tosoh Analysis and Research Center Co., Ltd. |
Website |
Specialty Group: Advanced Materials |
Tosoh Ceramics Co., Ltd. |
|
Specialty Group: Organic Chemicals |
Tosoh Finechem Corporation |
Website (English available) |
Ancillary |
Tosoh General Services Co., Ltd. |
|
Specialty Group: Bioscience |
Tosoh Hi-Tec, Inc. |
|
Specialty Group: Advanced Materials |
Tosoh Hyuga Corporation |
Website |
Ancillary |
Tosoh Information Systems Corporation |
Website |
Engineering Group |
Tosoh Kasumi Engi Inc. |
|
Ancillary |
Tosoh Logistics Corporation |
Website |
Ancillary |
Tosoh Nikkemi Corporation |
Website |
Specialty Group: Advanced Materials |
Tosoh Quartz Corporation |
Website |
Specialty Group: Advanced Materials |
Tosoh SGM Corporation |
|
Specialty Group: Advanced Materials |
Tosoh Silica Corporation |
Website |
Specialty Group: Advanced Materials |
Tosoh Speciality Materials Corporation |
Website |
Specialty Group: Bioscience |
Tosoh Techno-System, Inc. |
|
Specialty Group: Advanced Materials |
Tosoh Zeolum, Inc. |
|
Petrochemical Group |
Toyo Polymer Co., Ltd. |
|
Ancillary |
Yamaguchi Koun Corporation |
|
Ancillary |
Yokkaichi Koun Corporation |
|
Petrochemical Group |
Yokkaichi Oxyton Co., Ltd. |
|
Engineering Group |
Yorin Corporation |
Website |
|
|
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