Heckethorn Manufacturing Company is one of the leading manufacturers of automotive component parts. It has been in operation since 1939 and ISO 14001 registered since 2003. The company has supplied thousands of unique parts to customers, such as ArvinMeritor, Tenneco Automotive, Ford, Daimler Chrysler and General Motors. Products include exhaust hangers, clamps, stamped components, mass dampeners and body hangers. Heckethorn s manufacturing capabilities include rod drawing, cutting and fabrication as well as welding, hanger fabrication, threading, stamping and assembly. Its engineering services include computer-aided design, research and development, prototype testing and tool design. Heckethorn Manufacturing Company is based in Dyersburg, Tenn.