John Evans' Sons

1 Spring Avenue
Lansdale, PA 19446
United States
Phone: 215-368-7700
Fax: 215-368-9019


John Evans� Sons is the international leader in design and manufacturing of constant force springs, constant force spring assemblies and pusher springs (variable force). Custom design, in-house tooling and precision manufacturing, combined with a wide & varied stock spring selection allows us to serve a wide variety of applications from military to medical, high-tech & aerospace. We provide impeccable service from start to finish and set the standard for world-class precision spring products.