MPLX LP engages in the operation of midstream energy infrastructure and logistics assets, and distribution fuels services. It operates through the Crude Oil and Products Logistics and Natural Gas and NGL Services segments. The Crude Oil and Products Logistics segment transports, stores, distributes, and markets crude oil, asphalt, refined petroleum products, and water. The Natural Gas and NGL Services segment gathers, processes, and transports natural gas, and gathers, transports, fractionates, stores, and markets natural gas liquids (NGLs). The company was founded on March 27, 2012 and is headquartered in Findlay, OH.