Tokuyama Corp. engages in the manufacture and sale of chemicals used for the construction and industrial industries. It operates through the following business segments: Chemicals, Specialty Products, Cement, Advanced Components, and Others. The Chemicals segment produces and markets a range of products from basic chemicals, such as caustic soda, soda ash, and chlorine. The Specialty Products segment involves in the development and sale of products, such as polycrystalline silicon, fumed silica, precipitated silica, aluminum nitride, pharmaceutical ingredients, and intermediates. The Cement segment includes the production and distribution of cement and cement related products, such as Ordinary Portland cement, blast-furnace slag cement, ready-mixed concrete, cement-type stabilizer, and waste treatments. The Advanced Components segment engages in the production and sale of biaxial-oriented polypropylene film, co-extrusion multi-layer film, cast polypropylene film, plastic window sashes, clinical analyzers and systems, dental materials and equipment, gas sensors, and ion exchange membranes. The Other segment involves in overseas product sales, transportation business, and real estate-related businesses. The company was founded by Katsujiro Iwai on February 16, 1918 and is headquartered in Tokyo, Japan.