John Evans’ Sons manufactures custom and specialized springs for a variety of applications. Browse our comprehensive resources below to learn more about our offerings, spring design, installation, and other helpful information. If you don’t find the information you’re looking for, reach out to our team at any time.


Custom Spring Design Guide

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Custom Springs for Fire Dampers

John Evans' Sons has specialized in spring innovation and manufacturing since the days of horse-drawn buggies, producing reliable, powerful springs and spring-based assemblies for industries...

Benefits of Working with a Custom Spring Manufacturer

For engineers designing new products, procuring specialized components for the device remains a consistent hurdle. Numerous industries, from automotive and aerospace to medical and construction,...

Spring Materials: Which is Best for Your Application?

Springs are manufactured with different materials and finishes based on factors such as application, project requirements, and operating environments. Spring quality is crucial, and material...