Equitrans Midstream Corporation specializes in managing, expanding, and investing in infrastructure for natural gas collection, transportation, and storage, alongside water utility facilities, primarily within the Appalachian Basin. Its activities are organized into three primary divisions. The Gathering System division encompasses 1,130 miles of high-pressure gathering pipelines, reinforced by approximately 485,000 horsepower of compression and numerous connection points, along with about 910 miles of low-pressure gathering lines regulated by the Federal Energy Regulatory Commission (FERC).