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About Tosoh TUSA

Who is Tosoh USA?

Tosoh USA, Inc. was initially established as Tosoh Corporation's first US representative office in NY in 1964 and has grown to become the corporation's main sales, marketing, and business development center in North America.

Currently, based in Grove City, Ohio, Tosoh USA markets and sells a variety of chemical products produced by Tosoh Corporation and its affiliates that go into a myriad of industries and markets. Silica glass (a.k.a. quartz), organic chemicals, and specialty polymers are just some of the essential Tosoh USA provides to customers who produce everyday things. 

In addition to this, we also act as the exclusive U.S. sales representative for ethyleneamines produced by European based Delamine B.V. Learn more about Delamine here » (external site).


Tosoh Corporation is a Japanese chemical company established in 1935 and listed on the First Section of the Tokyo Stock Exchange. It is the parent of the Tosoh Group, which comprises 130 companies worldwide and a multiethnic workforce of over 11,000 people and generated net sales of ¥687.1 billion (US$8.4 billion at the year-end rate of ¥82.19 to the US dollar) in fiscal 2012, ended March 31, 2012.

Tosoh is one of the largest chlor-alkali manufacturers in Asia. The Company supplies the plastic resins and an array of the basic chemicals that support modern life. Tosoh's petrochemical operations supply ethylene, polymers, and polyethylene, while its advanced materials business serves the global semiconductor, display, and solar industries. Tosoh has also pioneered sophisticated bioscience systems that are used for the monitoring of life-threatening diseases, such as diabetes and certain cancers, and to prevent epidemics by identifying pathogenic microbes. In addition, Tosoh develops products and provides services to purify water and to monitor the environment as part of a commitment to a sustainable future.
Stock Exchange Ticker Symbol: JP: 4042