Established in 1924, Plymouth Tube Company is a privately held international manufacturer. The company operates a large network of metalworking mills in the United States. It is a global supplier of specialty tubing in carbon steel, alloy steel, stainless steel and nickel alloy. Plymouth Extruded Shapes, a member of the Plymouth Tube Company, manufactures near-net extruded shapes in carbon steel, alloy steel, stainless steel, nickel based alloy and titanium. Plymouth Tube Company is comprised of a carbon and alloy tube group and a white metals group. The company is located in Winamac, Ind.