Range Resources Corp. engages in the exploration, development and acquisition of natural gas and oil properties in the Appalachian and Midcontinent regions. The company is headquartered in Fort Worth, Texas and currently employs 544 full-time employees. The company is engaged in the exploration, development and acquisition of natural gas and oil properties in the United States. Its principal area of operations is the Marcellus Shale in Pennsylvania. Its natural gas and oil operations are concentrated in the Appalachian region of the United States, in the Marcellus Shale in Pennsylvania. Its properties consist of interests in developed and undeveloped natural gas and oil leases. The company owns over 1,428 net producing wells in Pennsylvania. Its reserves are primarily in the Marcellus Shale formation but also include the Utica and Upper Devonian formations. The company has approximately 894,000 gross acres under lease. Its subsidiaries include Range Resources-Appalachia, LLC, Range Resources-Pine Mountain, LLC, Range Production Company, LLC, Range Resources-Midcontinent, LLC and Range Resources-Louisiana, Inc.