EQT Corporation, together with its subsidiaries, operates as an integrated energy company in the United States. The company operates through three segments: EQT Production, EQT Gathering, and EQT Transmission. The EQT Production segment engages in the exploration for, development, and production of natural gas, natural gas liquids (NGLs), and crude oil primarily in the Appalachian Basin. As of December 31, 2016, this segment had 13.5 trillion cubic feet of proved natural gas, NGL, and crude oil reserves across approximately 3.6 million gross acres comprising approximately 790,000 gross acres in the Marcellus play. The EQT Gathering is involved in natural gas gathering activities. As of December 31, 2016, this segment operates approximately 300 miles of high pressure gathering lines with approximately 1.8 billion cubic feet of total firm gathering capacity and various interconnect points; and approximately 1,500 miles of FERC-regulated low pressure gathering lines. The EQT Transmission segment engages in natural gas transmission and storage activities. As of December 31, 2016, this segment operates approximately 950-mile FERC-regulated interstate pipeline that connects to six interstate pipelines and multiple distribution companies. EQT Corporation was founded in 1925 and is headquartered in Pittsburgh, Pennsylvania.