Founded in 1971, Vitco Steel Supply Corp. is one of the leading slit steel products suppliers in the United States. Based in Posen, Ill., the company provides slitting and cut-to-length facilities. It also offers a wide range of equipment to slit various products, including cold rolled, hot rolled, hot rolled pickled, oiled and serves a slew of galvanized and coated/painted materials. It has a heated warehouse spread on an area admeasuring 30,000 square feet. Vitco Steel Supply Corp. is ISO 9001:2000 certified.