Leading global water technology company Toray Industries manufactures a wide range of high-performance polyamide composite membranes including those used for reverse osmosis, nanofiltration, microfiltration and ultrafiltration. The company's solutions are applicable to municipal, industrial and commercial water treatment. In addition, Toray has an array of optical inspection equipment for the semiconductor industry, as well as analytical sensors for oxygen and water. A strong player in smaller-scale projects, the company is one of the leading providers of thermally induced phase separation membranes made of polyvinylidene fluoride. As of March 2021, Toray has almost 300 subsidiaries or affiliates.