MPLX LP engages in the operation of midstream energy infrastructure and logistics assets; and distribution fuels services. It operates through the Logistics and Storage (L&S), and Gathering and Processing (G&P) segments. The Logistics and Storage segment transports, stores, distributes, and markets crude oil, asphalt, refined petroleum products and water. The Gathering and Processing segment gathers, processes and transports natural gas; gathers, transports, fractionates, stores, and markets natural gas liquids (NGLs). The company was founded in March 27, 2012 and is headquartered in Findlay, OH.