Alpha Natural Resources, Inc. is a producer of coal. The Company produces both steam and metallurgical coal for power generation and the production of steel. The Company's steam coal is primarily purchased by utilities and industrial customers as fuel for electricity generation and manufacturing, and metallurgical coal is used primarily to make coke, a component in the steel making process. The Company produces, processes and sells coal from approximately 18 active mines and over eight coal preparation plants located throughout West Virginia and Kentucky. The Company is also involved in the purchase and resale of coal mined by others, the majority of which the Company blends with coal produced from its mines to create customized products for its customers. The Company offers low volatile, medium volatile and high volatile coking coals, custom blends and a full spectrum of utility and industrial coals, including ultra-compliance coals and higher sulfur coals.