DKS Co. Ltd. produces and sells surfactants, industrial chemicals, and life sciences-related products in Japan and internationally. It operates through six segments: Surfactants, Amenity Materials, Polyurethane Materials, Functional Materials, Electronic Device Materials, and Life Sciences. The company was formerly known as Dai-ichi Kogyo Seiyaku Co., Ltd. and changed its name to DKS Co. Ltd. in 2013. Founded in 1909, it is based in Kyoto, Japan.