Aichi Steelworks, Ltd. Nippon Metal Industry Co.
    Alpolic Corporation Nippon Steel Corporation
    Daido Steel Co., Ltd. Nippon Yakin Kogyo Co., Ltd.
    Daido Steel Sheet Corporation Nisshin Steel Co., Ltd.
    Japan Metals & Chemicals Nkk Corporation
    Kansai Wire Netting Co., Ltd. Pacific Sowa
    Kawasaki Steel Corporation Sanyo Special Steel Co., Ltd.
    Kobe Steel, Ltd. Sato-Shoji Corporation
    Kobelco Construction Machinery Co., Ltd. Sumitomo Metal Industries
    Kurimoto, Ltd. The Japan Steelworks Ltd.
    Mitsubishi Steel Mfg Co., Ltd. Toyo Kohan Co., Ltd.
    Nakayama Steel Works, Ltd. Uddeholm K.K.
    Nippon Denko Co., Ltd.