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.

Diamond Wire Spring is a leading designer and manufacturer of quality, compression springs, extension springs, die springs, torsion springs, conical springs, wire forms and various other custom springs. Backed by over 80 years of experience, three manufacturing locations, unsurpassed customer service and ongoing investments in the latest equipment, engineering and manufacturing processes, Diamond Wire Spring is the source for all of your custom and stock spring needs. In a hurry? Our sales team is available to provide custom quotes, many can be returned within 24 hours of request.

For Over a 100 years the spring experts of AMETEK Hunter Spring have been meeting the challenges of customers around the world satisfying unique and difficult applications through dedication and innovation which have become the hallmark of our company. You can count on our engineering expertise and manufacturing capabilites to meet your next challenge. Hunter Spring is part of AMETEK, Inc. A Leading global manufacturer with annual sales of $3.5 billion

The MW Industries, Inc. (MWI) family of companies, is the second largest manufacturer of springs and specialty fasteners in North America. More than 23,000 customers in over 35 countries trust the MWI family with the design and manufacturing of springs, fasteners and flat-stamped spring-related products. Throughout our 70-year tradition, it has been our goal to deliver the highest quality, most technologically innovative, and durable products in the marketplace. MWI is committed to excellence in quality at each phase of the product life cycle - from design and engineering to manufacturing - and in every interaction with our customers.

Vulcan Spring & Mfg. Co. has pioneered Constant Force and Variable Force spring technologies. We bring our knowledge of materials, engineering, energy and force to every challenge we face. Our single goal is to create the ideal solution to our customers' needs. We have developed PULLBOX® product security devices, plastic scrolls for informational displays, counterbalances for beverage truck doors, and the revolutionary SmartSpring for simplified inventory control. We have manufactured over 6,000 individual products for more than 2,000 customers. Our springs are employed in a wide range of applications where exceptional design, high quality materials and superior manufacturing techniques are required to meet customer needs.