Alpha Natural Resources, Inc., formerly known as Foundation Coal Holdings, is a United States-based coal company. The Company provides steam and metallurgical coal. Steam coal is primarily purchased by large utilities and industrial customers as fuel for electricity generation and manufacturing, and metallurgical coal is used to make coke. It produces, processes and sells steam and metallurgical coal from approximately 150 mines and 40 coal preparation plants. It also purchases and resells coal mined by others.