SM Energy Company is an independent energy company engaged in the acquisition, exploration, development, and production of crude oil, natural gas, and natural gas liquids in North America. The company's operations are focused on unconventional resource plays in the United States, including the Permian Basin in Texas and New Mexico, the Eagle Ford shale in South Texas, and the Powder River Basin in Wyoming. SM Energy Company was founded in 1908 and is headquartered in Denver, Colorado.