Independence Tube Corporation is a leading manufacturer of square and rectangular structural steel tubing and provides shipping throughout North America. The company maintains two manufacturing facilities, one in Chicago and the other in Marseilles, Ill. The facilities cover more than 500,000 square feet and more than 50 acres of property. Founded in 1972, the company markets products and services to manufacturers of agricultural, transportation, lighting and material handling equipment. Independence Tube Corporation products include HSLA, GuardRail, Indented tube Duracorr and Domex tubing. The company also offers services, such as electronic data interchange, vendor managed inventory, bar coding, hot-dipped galvanized, welding, hot rolling, flash controlling, bandsaw cutting and special tolerances.