SM Energy Co. is an independent energy company, which engages in the acquisition, exploration, development, and production of oil, gas, and natural gas liquids. The company is headquartered in Denver, Colorado and currently employs 1,241 full-time employees. The firm's Permian Basin assets cover approximately 250,000 net acres. The Permian Basin is a large sedimentary basin in western Texas and southeastern New Mexico, United States, noted for its petroleum, natural gas, and potassium deposits. The firm's South Texas assets combine the prolific Eagle Ford natural gas play with the high liquids content Austin Chalk. Located in far South Texas, the Maverick Basin is a Cretaceous-aged foreland basin. Located predominantly in the core, over-pressured oil window of the region, the Uinta Basin adds substantial scale with approximately 63,300 net acres and high oil-content production. The firm's Denver–Julesburg (DJ) Basin assets span approximately 238,000 net acres.