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.
Hendrickson Truck Suspension Systems designs and manufactures the most complete line of heavy- and medium-duty truck and tractor suspensions. In fact, the division is the world's largest independent suspension supplier having produced more than two million truck suspensions and innovated many...
Hendrickson Spring supplies nearly half of all flat leaf springs, and three-quarters of all taper-leaf springs in heavy- and medium-duty trucks and trailers in North America, as well as advance design taper leaf springs to many of the leading European truck manufacturers.