Achilles Corporation |
Nippon 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 Corporation |
Bando Chemical Industries Ltd. |
Noritake Co., Limited |
Bridgestone Corporation |
Saint-Gobain Norton Kk. |
Chichibu Onoda Cement Corporation |
Sakura Rubber Company Ltd. |
Fujimi Inc. |
Sanwa Kenma Kogyo Co., Ltd. |
Inax Corporation |
Sec Corporation |
Inoac Corporation |
Sumitomo Metal (Smi) Electronics Devices Inc. |
Kinsei Matec Co., Ltd. |
Sumitomo Osaka Cement Co., Ltd. |
Krosaki Harima Corporation |
Sumitomo Rubber Industries |
Lafarge(法国拉法基) |
Taiheiyo Cement Corporation |
Michelin 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 Insulators2, Ltd. |
Tokai Rubber Industries, Ltd. |
Ngk Spark Plug Co., Ltd. |
Toshiba Ceramics3 Co., Ltd. |
Nichias Corporation |
Toto Ltd. |
Nihon Cement Co., Ltd. |
Toyo Glass Co., Ltd. |
Nihon Yamamura Glass Co., Ltd. |
Toyo Tire & Rubber Co., Ltd. |
Nippon Electric Glass |
Yoshino Gypsum Co., Ltd. |
Nippon Glass Fiber1 Co., Ltd. |