John Evans’ Sons is the international leader in design and manufacturing of constant force springs, constant force spring assemblies and pusher springs (variable force).

Tennessee Spring and Metal manufactures and distributes mechanical springs, wire forms, clips, and specialized spring and metal formed products. We have an extensive product line and we guarantee fast production times and competitive rates.

From fine wire springs (.008”) to heavy-duty springs (up to .625”), from music wire to Inconel X-750, we can accommodate just about any spring size, any material, and every shape.