MPLX LP engages in the transportation, storage, and distribution of crude oil and refined petroleum products; natural gas; and natural gas liquids. It operates through the Logistics and Storage, and Gathering and Processing segments. The Logistics and Storage segment includes transportation and storage of crude oil, refined products, and other hydrocarbon-based products. The Gathering and Processing segment engages in gathering and processing of natural gas. The company was founded in March 27, 2012 and is headquartered in Findlay, OH.