Range Resources Corporation, an independent natural gas, natural gas liquids (NGLs), and oil company, engages in the acquisition, exploration, and development of natural gas and oil properties in the United States. It holds interests in developed and undeveloped natural gas and oil leases in the Appalachian and Midcontinent regions. The company owns 7,582 net producing wells and approximately 1.4 million net acres under lease in the Appalachian region; and 653 net producing wells and approximately 383,000 net acres under lease in the Midcontinent region. In addition, it provides gas gathering and transportation from southwestern and northeastern Pennsylvania. The company sells natural gas to utilities, marketing and mid-stream companies, and industrial users; NGLs to natural gas processors or users of NGLs; and oil and condensate to crude oil processors, transporters, and refining and marketing companies. As of December 31, 2014, it had proved reserves of 10.3 trillion cubic feet of natural gas equivalents. The company was formerly known as Lomak Petroleum, Inc. and changed its name to Range Resources Corporation in 1998. Range Resources Corporation was founded in 1975 and is headquartered in Fort Worth, Texas.