Antero Resources Corporation, an independent oil and natural gas company, acquires, explores, and develops natural gas, natural gas liquids, and oil properties in the United States. As of December 31, 2014, the company had 543,000 net acres of oil and gas properties located in the Appalachian Basin in West Virginia, Ohio, and Pennsylvania. It also owns and operates 153 miles of gas gathering pipelines in the Marcellus Shale; and 96 miles of low-pressure, high-pressure, and condensate pipelines in the Utica Shale. The company was formerly known as Antero Resources Appalachian Corporation and changed its name to Antero Resources Corporation in June 2013. Antero Resources Corporation was founded in 2002 and is headquartered in Denver, Colorado.