Tosoh USA, Inc. was established as Tosoh Corporation's first U.S. representative office in NY in 1964. 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 essentials.