Established: 2012

Country: USA

City: Findlay

Employees: 5810

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MPLX is a partnership that owns both pipelines and gathering and processing assets with extensive holdings in the Appalachian region. The asset base is made up of pipeline assets dropped down from Marathon Petroleum, its sponsor, and gathering and processing assets from MarkWest, which it acquired in 2015. MPLX also acquired Andeavor Logistics in 2019.

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Enterprise Products Partners LP

Crestwood Equity Partners LP

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Pembina Pipeline Corp