Alpha Natural Resources, Inc., formerly Foundation Coal Holdings, Inc., is a coal producer in the United States. It operates a group of 12 individual coal mines located in Wyoming, Pennsylvania and West Virginia. During the year ended December 31, 2008, it sold 70.9 million tons of coal, including 69.3 million tons that were produced and processed at its operations. As of December 31, 2008, it had approximately 1.7 billion tons of proven and probable coal reserves. It is also involved in marketing coal produced by others to supplement its own production. The Company is primarily a supplier of steam coal to United States utilities for use in generating electricity. It also sells steam coal to industrial plants. Steam coal sales accounted for 98% of its coal sales volume and 89% of its coal sales revenue in 2008. In July 2009, Alpha Natural Resources, Inc. and Foundation Coal Holdings, Inc. completed their merger. The new company will retain the name Alpha Natural Resources, Inc.