EQT GP Holdings has been formed to gather natural gas specifically for its EQT family ... and beyond. The company is a large, investment grade natural gas producer with approximately 630,000 gross acres within the Marcellus Shale. It operates mainly in southwestern Pennsylvania and northern West Virginia. EQT GP Holdings is a limited partnership formed in 2015 to own partnership interests in EQT Midstream Partners LP, itself a limited partnership formed by EQT Corporation to own, operate, acquire, and develop midstream assets in the Appalachian Basin. EQT Corporation is EQT GP Holdings' largest customer, accounting for 69% of total sales.