About MPLX Lp

MPLX Lp (NYSE: MPLX) is a Energy company (Oil & Gas Midstream) with a market capitalization of $59.2B. Its Maz Rating is 3.26 out of 5 (B+, Buy), ranked against the other companies in its sector.

Factor scores: Valuation 1.81, Growth 3.11, Profitability 4.95, Financial Health 2.41, Momentum 3.03 (as of 2026-10-16).

Sector

Energy

Industry

Oil & Gas Midstream

Exchange

NYSE

Country

US

CEO

Maryann T. Mannen

Employees

5,762

IPO date

2012-10-26