Nitto Boseki Co., Ltd. engages in the manufacture and sale of building and textile materials. It operates through the following segments: Textiles Business, Raw Fiber Materials Business, Functional Materials Business, Equipment Materials Business, Environmental and Health Business and Others. The Textiles Business segment deals with manufacture and sale of core spun yarn, stretch products, interlining products, secondary products and other. The Raw Fiber Materials Business segment manufacture and sell glass fiber and raw fiber products like yarn, roving, chopped standard and such. The Functional Materials Business segment focuses on the manufacture and sale of glass fiber cloth products. The Equipment Materials Business segment researches and develops glass fiber products like glass wool for industrial and building material use. The Environmental and Health Business segment specializes in Vitro diagnostics, specialty chemical and soft drink manufacture and sales, rock wool product sales, agricultural product production and sales, acoustic construction design, supervision and contracting as well as environmental improvement management. The Others segment performs real estate service operations. The company was founded on April 18, 1918 and is headquartered in Tokyo, Japan.