MPLX is a company owning and operating midstream energy infrastructure and logistics assets. It operates in two segments, Logistics and Storage, and Gathering and Processing. The company is involved in the gathering, processing, and transportation of natural gas; gathering, transportation, fractionation, exchange, storage, and marketing of natural gas liquids; transportation, storage, distribution, and marketing of crude oil and refined petroleum products, as well as other hydrocarbon-based products; and sale of residue gas and condensate.