Cloud Peak Energy (NYSE: CLD) is one of the safest producers of low sulfur, high quality, subbituminous coal in the United States. Headquartered in Gillette, Wyoming, Cloud Peak Energy owns three Powder River Basin coal mines. Antelope and Cordero Rojo Mines are located in northeast Wyoming and the Spring Creek Mine is located in southeast Montana near Decker.With over 1,500 employees, the company works to create the most sustainable value from its resources and relationships while providing the fuel to help power the country.