Jessen Manufacturing Company has grown to become one of the world's largest suppliers of precision machine products. The company offers prototype short production runs to blanket automotive runs and light assembly. Its types of material ranges from carbon and alloy steel, brass, bronze, copper, aluminum, plastic and stainless steel to exotic materials. Jessen Manufacturing Company services include in-house engineering and manufacturing of tools, fixtures and cams, turning, thread rolling, milling, tapping, broaching, knurling, slotting, double disk and surface grinding, centerless grinding Honing, vibratory finishing, stamping, plating, heat treating and light assembly. Its facilities are ISO 9001:2000 certified. Jessen Manufacturing Company is located in Elkhart Ind.