About the company
John Evans’ Sons is a U.S. custom spring manufacturer producing precision spring components including constant-force springs, spiral torsion springs, power springs, helical springs, flat springs, wire forms, stampings, and mechanical assemblies. It serves industries such as medical devices, aerospace, defense, HVAC, transportation, and industrial equipment. The company provides engineering support and custom production for specialized requirements. Customers should share drawings, material requirements, load characteristics, and expected quantities to confirm feasibility and obtain a quotation.