Company Overview
Major Group Companies
Petrochemical
Hokuetsu Kasei Co., Ltd.
Sankyo Chemical Industry Inc.
Rensol Co., Ltd.
Toyo Polymer Co., Ltd.
Acepack Co., Ltd.
Shinomura Chemical Industry Co., Ltd.
Hiyoshi Chemical Industries Co., Ltd.
Yokkaichi Oxyton Co., Ltd.
Chlor-alkali
Tohoku Tosoh Chemical Co., Ltd.
Minamikyushu Chemical Industry Co., Ltd.
Taiyo Vinyl Corporation
Lonseal Corporation
Taihei Chemicals Ltd.
Plas-Tech Inc.
Tokuyama Sekisui Co., Ltd.
Asia Industry Co., Ltd.
Nippon Miractran Co., Ltd.
Mabuhay Vinyl Corporation
MVC Properties Inc.
Philippine Resins Industries, Inc.
Philrex Properties, Inc.
PRII Properties, Inc.
Tosoh (Guangzhou) Chemical Industries, Inc.
PT. Standard Toyo Polymer
Tosoh Polyvin Corporation
Tosoh (Shanghai) Co., Ltd.
Tosoh (Ruian) Polyurethane Co., Ltd.
Tosoh (Shanghai) Polyurethane Co., Ltd.
Specialty (Organic Chemicals)
Tosoh Finechem Corporation
Manac Incorporated
Delamine B.V.
Tosoh Specialty Chemicals USA, Inc.
Specialty (Bioscience)
Tosoh Techno-System, Inc.
Tosoh AIA, Inc.
Tosoh Hi-Tec, Inc.
Tosoh Bioscience, Inc.
Tosoh Bioscience LLC
Tosoh Europe N.V.
Tosoh Bioscience Ltd.
Tosoh Bioscience S.r.l.
Tosoh Bioscience S.A.
Tosoh Europe International N.V.
Tosoh Bioscience (Shanghai) Co., Ltd.
Specialty (Advanced Materials)
Tosoh Hyuga Corporation
Tosoh Ceramics Co., Ltd.
Tosoh Zeolum, Inc.
Tosoh Speciality Materials Corporation
Tosoh SGM Corporation
Tosoh Quartz Corporation
Tosoh Silica Corporation
Rin Kagaku Kogyo Co., Ltd.
Tosoh Hellas Single Member S.A.
Tosoh Advanced Materials Sdn. Bhd.
Tosoh SMD, Inc.
Tosoh SMD Korea, Ltd.
Tosoh SMD Taiwan, Ltd.
Tosoh Quartz, Inc.
Tosoh Quartz Co., Ltd.
Tosoh Quartz Korea Co., Ltd.
Tosoh Namhae Silica Corporation
Engineering
Organo Corporation
Organo Plant Service Corporation
Organo Food Tech Corporation
Organo Eco Tech Corporation
Organo Acty Corporation
Organo (Suzhou) Water Treatment Co., Ltd.
Organo (Thailand) Co., Ltd.
Organo USA, Inc.
Organo (Vietnam) Co., Ltd.
Organo Technology Co., Ltd.
PT Lautan Organo Water
Organo (Asia) Sdn. Bhd.
Tohoku Denki Tekko Co., Ltd.
Tohoku Maintenance Industry Co., Ltd.
Yorin Corporation
Seiwakouki Co., Ltd.
Sanwa Construction, Co., Inc.
Tosoh Kasumi Engi Inc.
Izumi Sangyo Co., Ltd.
Logistics, trading companies, services, etc.
Tosoh Logistics Corporation
Kouun Industry Co., Ltd.
Keiyo Koun Co., Ltd.
Yokkaichi Koun Corporation
Yamaguchi Koun Corporation
Koun Marine Co., Ltd.
Toho Unyu Co., Ltd.
Hyuga Unyu Co., Ltd.
Kansai Kaiun Co., Ltd.
Hososhima Port Cargo Co., Ltd.
Tosoh Logistics Warehouse Co., Ltd.
Oriental Marine Corporation
Toho Acetylene Co., Ltd.
Tosoh Nikkemi Corporation
Kyoei Industries Co., Ltd.
Tosoh Information Systems Corporation
Tosoh General Services Co., Ltd.
Tosoh Analysis and Research Center Co., Ltd.
Kasumi Kyodo Jigyo
Nihon Kaisui Chemica Co., Ltd.
Tosoh America, Inc.
Tosoh USA, Inc.
Tosoh Europe B.V.
Tosoh Asia Pte. Ltd.
Tosoh India Pvt. Ltd.
Tosoh China Holdings Co., Ltd.
Tosoh (Shanghai) Co., Ltd.
Petrochemical Group
Olefins
The Yokkaichi Complex, located within the greater Kasumi Industrial Complex, houses the naphtha cracker, a critical component in Tosoh’s petrochemical business. At that facility, the company produces ethylene, propylene, and other fundamental petrochemical raw materials.
Polymers
With the aim of being a unique and distinctive business, Tosoh provides products that integrate the fields of polyethylene and functional polymers to meet a wide range of customer needs.
Chlor-alkali Group
Chlor-alkali
Tosoh manufactures caustic soda and chlorine, both essential components utilized across a diverse range of industries, at one of the largest electrolysis facilities in Asia. Caustic soda is used in the manufacture of paper, synthetic fiber, and aluminum oxide, while chlorine serves as a raw material for PVC resin, sterilization, and bleaching.
Urethane
Polyurethane is utilized across diverse applications such as automobiles, home appliances, residential structures, and industrial materials. Tosoh’s polyurethane plays a role in energy conservation and weight reduction.
Cement
Tosoh receives plastic waste, automobile shredder residue, and soil originating from construction sites, both inside and outside the company as raw materials in cement production. Cement is commonly used in infrastructure construction. Tosoh actively supports the development of a recycling-oriented society.
Specialty Group
Organic Chemicals
Tosoh’s Specialty business focuses on ethyleneamines, eco-business products, bromine, and flame retardants. The company’s highly original products support people’s daily lives while also contributing to reducing society’s impact on the environment.
Bioscience
Tosoh is expanding its business in the fields of separations and diagnosis through the utilization of proprietary technologies. The Group is engaged in development, manufacturing, and sale of a diverse range of products, spanning systems and reagents to maintenance and customer support.
Advanced Materials
Tosoh provides a wide range of products, including synthetic zeolite, zirconia, and silica glass, globally. The company’s distinctive products feature unique characteristics that contribute to the enrichment of society and the protection of the environment.
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