
	Steel Dynamics, Inc. (SDI) is the nation&rsquo;s fifth largest producer of carbon steel products with 2009 annual revenues of $4.0 billion on steel shipments of 4.0 million tons. Based in Fort Wayne, Indiana, SDI employs about 6,000 and operates five electric-furnace mini-mills. Over half of the company&#39;s steel shipments are flat-rolled steel and the remainder is &quot;long products&quot; (bars and beams) and fabricated products. SDI is among the most profitable American steel companies in terms of profit margins and operating profit per ton.
