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 565 full-time employees. The firm is engaged in the exploration, development and acquisition of natural gas and oil properties in the Appalachian region of the United States. Its principal area of operations is the Marcellus Shale in Pennsylvania. Its properties consist of interests in developed and undeveloped natural gas and oil leases. The company owns approximately 1,431 net producing wells in Pennsylvania. The company holds a portfolio of drilling opportunities and unbooked resource potential within the Marcellus, Utica/Point Pleasant and Upper Devonian formations. Its exploration and production operations are limited to the onshore United States. The company has approximately 871,000 gross (763,000 net) 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.