Cloud Peak Energy Inc., through its subsidiaries, produces coal in the Powder River Basin (PRB) and the United States. The company operates through Owned and Operated Mines, Logistics and Related Activities, and Corporate and Other segments. It produces and sells sub-bituminous thermal coal with low sulfur content primarily to electric utilities operating in the United States and internationally. The company owns and operates the Antelope mine and Cordero Rojo mine located to the south of Gillette, Wyoming; and the Spring Creek mine located in Montana. Its development projects include the Youngs Creek project and the Crow project in the Northern PRB. The company also provides logistics and related services, such as the purchase of coal from third parties or from own mines, as well as the contracting and coordination of the transportation and other handling services from third-party operators. In addition, it is involved in the brokerage of coal. Cloud Peak Energy Inc. is headquartered in Gillette, Wyoming.