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.

$48.5B

Market Cap • 12/26/2024

2012

(12 years)
Founded

2012

(12 years ago)
IPO

NYSE

Listing Exchange
Flag of US

Findlay

Headquarters • Ohio