Achilles CorporationNippon Mukj Co., Ltd.Arisawa Manufacturing Co., Ltd.Nippon Sheet Glass Co., Ltd.Asahi Fiberglass Co., Ltd.Nippon Silica Glass Co., Ltd.Asahi Glass Co., Ltd.Nitta Industries Corp.Aso Cement Co., Ltd.Nok CorporationBando Chemical Industries Ltd.Noritake Co., LimitedBridgestone CorporationSaint-Gobain Norton Kk.Chichibu Onoda Cement CorporationSakura Rubber Company Ltd.Fujimi Inc.Sanwa Kenma Kogyo Co., Ltd.Inax CorporationSec CorporationInoac CorporationSumitomo Metal (Smi) Electronics Devices Inc.Kinsei Matec Co., Ltd.Sumitomo Osaka Cement Co., Ltd.Krosaki Harima CorporationSumitomo Rubber IndustriesLafarge(法国拉法基)Taiheiyo Cement CorporationMichelin Okamoto Tire Co.The Ohtsu Tire & Rubber Co., Ltd.Molten Co.The Yokohama Rubber Co., Ltd.Narasaki Sangyo Co., Ltd.Tokai Carbon Co., Ltd.Ngk Insulators, Ltd.Tokai Rubber Industries, Ltd.Ngk Spark Plug Co., Ltd.Toshiba Ceramics Co., Ltd.Nichias CorporationToto Ltd.Nihon Cement Co., Ltd.Toyo Glass Co., Ltd.Nihon Yamamura Glass Co., Ltd.Toyo Tire & Rubber Co., Ltd.Nippon Electric GlassYoshino Gypsum Co., Ltd.Nippon Glass Fiber Co., Ltd.