EQT Corporation operates as a natural gas production company in the United States. The company produces natural gas, natural gas liquids (NGLs), including ethane, propane, isobutane, butane, and natural gasoline. As of December 31, 2021, it had 25.0 trillion cubic feet of proved natural gas, NGLs, and crude oil reserves across approximately 2.0 million gross acres, including 1.7 million gross acres in the Marcellus play. The company was founded in 1878 and is headquartered in Pittsburgh, Pennsylvania.