compression spring manufacturing

Mastercoil Spring is a family-owned and operated manufacturer of custom-designed small compression springs for the global marketplace, based in McHenry, Illinois. Founded in 1982 by Don Musielak with four employees and three high-speed coiling machines, the company has grown to more than 150 machines and 50 employees running three shifts, and celebrated its 40th anniversary in 2022.

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spring coiling