Connections MPLX LP

MPLX

US55336V1008

Oil & Gas Transportation Services

Real-time Estimate Cboe BZX Other stock markets 15:14:41 2026-07-10 EDT			5-day change	1st Jan Change
57.00 ^USD	-0.32%		-0.12%	+6.61%

06-16	US natgas prices at Waha turn positive for first time since February as pipeline constraints ease	RE
05-28	US natgas prices at Waha remain negative but rise to 16-week high as pipeline constraints ease	RE

17

Listed companies

16

Private companies

58

Insiders

Relation chart of related listed companies: MPLX LP

Active Relations

Past Relations

Related listed companies: MPLX LP

TRANE TECHNOLOGIES PLC

John Surma

PPG INDUSTRIES, INC.

Gary Heminger

PUBLIC SERVICE ENTERPRISE GROUP, INC.

John Surma

PRUDENTIAL FINANCIAL, INC.

Maryann Mannen

KOSMOS ENERGY LTD.

John Stice

MARATHON PETROLEUM CORPORATION

ANTERO MIDSTREAM CORPORATION

John Mollenkopf

CHUBB LIMITED

Nancy Buese

SOLARIS ENERGY INFRASTRUCTURE, INC.

Ray Walker

NEXTDECADE CORPORATION

Active Relations

Past Relations

Relationship chart for related private companies: MPLX LP

Active Relations

Past Relations

Related private companies: MPLX LP

MarkWest Hydrocarbon LLC

Oilfield Services/Equipment

C. Corwin Bromley

Frank Semple

Tesoro Refining & Marketing Co. LLC

Oil Refining/Marketing

Gregory Goff

Donald Templin

MarkWest Javelina Co. LLC

Oil & Gas Production

Gary Heminger

Michael Hennigan

MarkWest Energy GP LLC

Oilfield Services/Equipment

C. Corwin Bromley

Paula L. Rosson

Nancy Buese

The American Institute of Certified Public Accountants

Miscellaneous Commercial Services

Grove City College

Other Consumer Services

Dan Sandman

Donald Templin

University of Findlay

Other Consumer Services

Pamela Beall

Molly Benson

Brain Partee

American Petroleum Institute, Inc.

Wholesale Distributors

Gary Heminger

Timothy Aydt

LOOP LLC

Oil & Gas Pipelines

Shawn Lyons

Craig O. Pierson

Marathon Petroleum Co. LP

Oil Refining/Marketing

Shawn Lyons

Angelia Graves

The Business Council

Miscellaneous Commercial Services

John Surma

Maryann Mannen

Gregory Goff

The Ohio Society of CPA's

Miscellaneous Commercial Services

Pamela Beall

Michael G. Braddock

John R. Haley

The American Fuel & Petrochemical Manufacturers

Chemicals: Specialty

Gary Heminger

Timothy Aydt

Tesoro Logistics GP LLC

Oil & Gas Production

Kristina Kazarian

Suzanne Gagle

Molly Benson

Roppe Corp.

Miscellaneous Manufacturing

Dan Sandman

Garry Peiffer

MPLX GP LLC

Oil & Gas Pipelines

Active Relations

Past Relations

Connection statistics

Active

Inactive

Listed companies

Private companies

Activities of related companies

Miscellaneous Commercial Services	4
Oil & Gas Production	3
Oilfield Services/Equipment	3
Oil Refining/Marketing	3
Oil & Gas Pipelines	3
Other Consumer Services	2
Regional Banks	1
Industrial Machinery	1
Industrial Specialties	1
Electric Utilities	1

Countries of related companies

United States	30
Canada	1
Ireland	1
Switzerland	1

MPLX LP is a diversified, large-cap master limited partnership that owns and operates midstream energy infrastructure and logistics assets and provides fuels distribution services. The Company's segments include Crude Oil and Products Logistics, and Natural Gas and NGL Services. The Crude Oil and Products Logistics segment is primarily engaged in the gathering, transportation, storage and distribution of crude oil, refined products, other hydrocarbon-based products, and renewables. These assets consist of a network of approximately 14,766 miles of wholly and jointly-owned pipelines and associated storage assets, refining logistics assets at 13 refineries, 88 terminals including rail and truck racks, one export terminal, storage caverns, tank farm assets, an inland marine business and a fuels distribution business. The Natural Gas and NGL Services segment provides wellhead to market services including gathering, processing and transportation of natural gas and natural gas liquids.

Employees

Sector

Oil & Gas Transportation Services

Calendar

Earnings release - Q2 2026

More about the company