EQT Corporation, together with its subsidiaries, operates as an integrated energy company in the United States. It operates through two segments, EQT Production and EQT Midstream. The EQT Production segment explores for, develops, and produces natural gas, natural gas liquids (NGLs), and crude oil primarily in the Appalachian Basin. As of December 31, 2015, it had 10.0 trillion cubic feet of proved natural gas, NGL, and crude oil reserves across approximately 3.4 million gross acres, including approximately 630,000 gross acres in the Marcellus play. The EQT Midstream segment provides natural gas gathering, transmission, and storage services for the company’s produced gas, as well as for independent third parties in the Appalachian Basin. This segment owns or operates approximately 8,250 miles of gathering lines and 177 compressor units with approximately 255,000 horsepower of installed capacity. EQT Corporation was founded in 1925 and is headquartered in Pittsburgh, Pennsylvania.