MarkWest, a wholly owned subsidiary of MPLX LP (NYSE: MPLX), is engaged in the gathering, processing, and transportation of natural gas; the transportation, fractionation, storage and marketing of NGLs; and the gathering and transportation of crude oil.
MarkWest is a wholly owned subsidiary of MPLX LP, a diversified, growth-oriented master limited partnership that was formed by Marathon Petroleum Corporation (MPC) to own, operate, develop and acquire midstream energy infrastructure assets. MPC operates an integrated refining, marketing and transportation system concentrated primarily in the Midwest, Northeast, East Coast, Southeast and Gulf Coast regions of the U.S.
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