Fujikura Cable Works
Ltd. Hamanaka Chain Mfg. Co., Ltd.
Hien Electric Industries, Ltd.
Japan Mechanical Chain Co., Ltd.
Komatsu Ltd.
Koyo Chain Mfg. Co., Ltd.
Kuroki Seisa K.K.
Nippon Chain & Anchor Co., Ltd.
Onomichi Anchor Mfg. Ltd.
Osaka Byosa Kogyo Co., Ltd.
Osaka Chain & Machinery Mfg. Co., Ltd.
Tatsuta Electric Wire & Cable Co., Ltd.
Tsubakimoto Chain Mfg. Co., Ltd.