Associated Spring is one of the leading spring manufacturers in the world. The company serves clients in the telecommunications, construction, military, transportation, aerospace and automobile sectors. It offers torque coils, retaining and snap rings, and clutch, flat spiral, fuel injection, suspension and engine valve springs. The company provides curved, wave and finger washers. Associated Spring also offers fluid control, reed, flapper, suction and discharge valves. The company provides custom stampings, assemblies, control rods and brake bands. In addition, its special order department serves the electronic, industrial and medical markets. The company offers metal parts for prototype projects. Associated Spring is a unit of Barnes Group.