Diamond Wire Spring is a leading designer and manufacturer of quality, custom compression, extension, torsion and die springs (including wire forms). Serving a range of industries and companies big and small, we also carry more than 10,000 different springs in stock and available for order today from our Catalog division. Backed by over 70 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.