Founded in 1926 and headquartered in Tokyo, Japan, Toray Industries, Inc. is a world-renowned high-tech multinational corporation with core technologies in organic synthesis, polymer chemistry, and biochemistry. With 200 subsidiaries and related companies in 19 countries and regions, Toray Industries boasts annual sales exceeding US$12 billion and employs 35,000 people. Toray Industries is one of the world’s earliest companies to develop reverse osmosis membrane technology, having begun research in the 1960s. From raw material selection to membrane manufacturing technology development and membrane element design, Toray Industries has made significant contributions to the application and development of this technology in water treatment applications such as ultrapure water and seawater desalination. Toray Industries is now one of the few manufacturers in the world to offer both cellulose acetate membranes and polyamide composite membranes. Toray Industries is also the only membrane manufacturer in the world to develop and commercialize a full range of membrane products, including RO, NF, UF, MF, and fiber filter cloth membranes.