Tosoh Corp

Company Profile

• Business description

  Tosoh Corp manufactures and sells a variety of petrochemicals, plastics, and chemical-based products. The firm organizes itself into five segments. The Chlor-alkali segment produces caustic soda and vinyl chloride monomer. The Engineering segment handles manufacturing, sales, construction, repair, and water treatment equipment. The Functional Products segment covers inorganic and organic fine chemicals, diagnostic and metrology products, and electronic materials such as fused silica and sputtering targets. The Petrochemical segment includes olefins like ethylene and propylene, polyethylene products, and resins. The Others segment comprises transportation, warehousing, inspection, analysis, and information processing services. It generates majority of its revenue from Chlor-alkali segment.

• Contact

  4560 Kaiseicho
  Yamaguchi Prefecture
  Shunan746-8501
  JPN

  T: +81 834639801

  https://www.tosoh.co.jp

• Sector

  Basic Materials

  Stock type

  Cyclical

• Industry

  Chemicals

  Fiscal Year End

  31 March 2026

  Employees

  14,813