Associated Spring, Barnes Group, Inc. - Milwaukee, WI
Custom Manufacturer, Service Company
ISO 9001:2008, ISO 14001:2004, QS 9000/TS 16949:2009, AS 9100B & AS 9120 certified. Worldwide custom manufacturer of springs for machinery & piston applications. Types of springs include compression, extension, torsion & torque coil, automotive/engine valve, transmission, flat spiral, power, recoil, clutch, fuel injection, conical, suspension & mounting springs. Fabricated in different materials such as music wire, oil-tempered wire, stainless steel, copper, chrome vanadium/silicon, bronze, brass & exotic alloys. Capabilities include design engineering, prototyping, coiling, grinding, shot peening & mechanical testing.
Brand Names: Associated Spring
www.asbg.com/en/springs

Fox Valley Spring Company - Greenville, WI
Manufacturer, Custom Manufacturer, Service Company
Custom Coiled Compression, Extension, Torsion Springs & Wire Forms. Wire Sizes From .002" To 2.00" In All Spring Steels. ISO 9001 Certified