Company Description
MPLX LP owns and operates midstream energy infrastructure and logistics assets primarily in the United States.
It operates in two segments, Crude Oil and Products Logistics; and Natural Gas and NGL Services. The company is involved in the gathering, processing, and transportation of natural gas; gathering, transportation, fractionation, storage, and marketing of natural gas liquids; gathering, storage, transportation, and distribution of crude oil and refined products, as well as other hydrocarbon-based products and renewables; and sale of residue gas and condensate.
It also engages in inland marine businesses, comprising fleet of boats and barges transport light products, heavy oils, crude oil, renewable fuels, chemicals, and feedstocks in the Mid-Continent and Gulf Coast regions, as well as a marine repair facility located on the Ohio River; and distribution of fuel, as well as operates refining logistics, terminals, rail facilities, and storage caverns.
In addition, the company operates terminal facilities for the receipt, storage, blending, additization, handling, and redelivery of refined petroleum products through the pipeline, rail, marine, and truck transportation.
MPLX GP LLC acts as the general partner of MPLX LP. The company was incorporated in 2012 and is headquartered in Findlay, Ohio.
MPLX LP is a subsidiary of Marathon Petroleum Corporation.
| Country | United States |
| Founded | 2012 |
| IPO Date | Oct 26, 2012 |
| Industry | Oil & Gas Midstream |
| Sector | Energy |
| Employees | 5,560 |
| CEO | Maryann Mannen |
Contact Details
Address: 200 East Hardin Street Findlay, Ohio 45840-3229 United States | |
| Phone | 419 422 2121 |
| Website | mplx.com |
Stock Details
| Ticker Symbol | MPLX |
| Exchange | NYSE |
| Fiscal Year | January - December |
| Reporting Currency | USD |
| CIK Code | 0001552000 |
| CUSIP Number | 55336V100 |
| ISIN Number | US55336V1008 |
| Employer ID | 27-0005456 |
| SIC Code | 4610 |
Key Executives
| Name | Position |
|---|---|
| Maryann T. Mannen | President, Chief Executive Officer and Director of MPLX GP LLC |
| Michael J. Hennigan | Executive Chairman of the Board of MPLX GP LLC |
| Carl Kristopher Hagedorn | Executive Vice President, Chief Financial Officer and Director of MPLX GP LLC |
| Gregory Scott Floerke | Executive Vice President and Chief Operating Officer of MPLX GP LLC |
| Molly R. Benson | Chief Legal Officer and Corporate Secretary of MPLX GP LLC |
| Shawn M. Lyon | Senior Vice President of Logistics and Storage - MPLX GP LLC |
| Kristina Anna Kazarian | Vice President of Finance and Investor Relations - MPLX GP LLC |
| Rick D. Hessling | Senior Vice President of MPLX GP LLC |
| Brian K. Partee | Senior Vice President of MPLX GP LLC |
| David R. Heppner | Senior Vice President of MPLX GP LLC |
Latest SEC Filings
| Date | Type | Title |
|---|---|---|
| Aug 11, 2025 | 8-K | Current Report |
| Aug 8, 2025 | 424B5 | Filing |
| Aug 7, 2025 | FWP | Free Writing Prospectus |
| Aug 7, 2025 | 424B5 | Filing |
| Aug 5, 2025 | 10-Q | Quarterly Report |
| Aug 5, 2025 | 8-K | Current Report |
| May 6, 2025 | 10-Q | Quarterly Report |
| May 6, 2025 | 8-K | Current Report |
| Mar 10, 2025 | 8-K | Current Report |
| Mar 4, 2025 | 424B5 | Filing |