Toyobo
 Toyobo Corporation (東洋紡績株式会社 Tōyōbōseki Kabushiki-gaisha TYO: 3101) is one of Japan's top makers of fibers and textiles including synthetic fibers (polyester nylon and acrylics) and natural fibers such as cotton and wool. The company's textiles are designed for clothing home furnishings and for industrial uses. Its textiles include spandex yarn for apparel polyurethane fiber for pantyhose and yarns for airbags and tire cords.