The List of Companies 1.Chuo Spring Co., Ltd.
2.EATON Detroit Spring, Inc.
3.EMCO Industries
4.Jamna Auto Industries Ltd.
5.Liteflex
6.Mitsubishi Steel Mfg. Co., Ltd.
7.NHK Spring Co., Ltd.
8.Rassini
9.Sogefi SpA (CIR Group)
10.Xiangtan Spring Factory Co., Ltd.