About Us

Steel Dynamics is a mini-mill producing more than 3.0 million tons per year of high quality steel. Our product offering includes hot rolled, cold rolled sheet, hot dipped galvanized, galvoalume and prepaint steel. SDI supplies many marketing including building panels, roofing purlin, in both bare and painted products. SDI is the only fully integrate steel company that operates two paint liners. Markets served includes construction, automotive, appliance, HVAC, transportation, and building products. All facilities are QS-9000 certified. SDI is the only fully integrated mill in the US that melts, rolled, metallic coats and paints their own steel. They provide the shortest lead times and can provide a full range of products to the construction industry. SDI's other divisions provide structural steel, angles, flats, rail, deck and joist, and scrap management.