List of companies

6,653 companies, A to Z

Company	Lists	Headquarters	Projects	Systems and facilities
MDU Resources Group	Owner/operator		3
MHM Pipeline Co., Inc.	Owner/operator			2
MI Tech Services, Inc.	Contractor		1
MIGC Inc.	Owner/operator		1
MK Midstream Holdings, LLC	Owner/operator
MK Pipeline, LLC	Owner/operator	Houston, TX		1
MMGL Arkoma II LLC	Owner/operator			1
MMGL East Texas II LLC	Owner/operator	Dallas, TX		3
MMGL Txph, LLC	Owner/operator			3
MPC Alaska Terminal Company LLC	Owner/operator			1
MPG Pipeline Contractors, LLC	Contractor	Houston, TX	6
MPH Bastrop Lateral, LLC	Owner/operator			1
MPLX LP	Owner/operator	Denver, CO	1	9
MPLX Terminals LLC	Owner/operator		1	53
MPLX, WhiteWater	Owner/operator		1
MSL Oil & Gas Corp.	Owner/operator			1
MV Pipeline Company	Owner/operator	Eufaula, OK		1
MVP Terminalling LLC	Owner/operator			1
Maas Energy Works, Inc.	Owner/operator	Redding, CA		1
Maasdam Construction Co	Contractor		1
Mac County Gas Inc	Owner/operator
Mac Midstream, LLC	Owner/operator			1
Mack Energy	Owner/operator		1
Macpherson Oil Company	Owner/operator	Bakersfield, CA		1
Madill Gas Processing	Owner/operator	Madill, OK		3
Magellan Ammonia Pipeline, L.P.	Owner/operator	Tulsa, OK		1
Magellan Crude Oil Pipeline Company, L.p.	Owner/operator	Tulsa, OK		15
Magellan E&p Holdings, Inc	Owner/operator	Houston, TX		1
Magellan Midstream	Owner/operator		1
Magellan Midstream Partners LP	Owner/operator		3
Magellan Operating Company, LLC	Owner/operator	Tulsa, OK		10
Magellan Pipeline Company, LLC	Owner/operator	Tulsa, OK	2	138
Magellan Pipelines Holdings, L.P.	Owner/operator	Tulsa, OK		11
Magellan TRMNLS Holdings LP	Owner/operator			4
Magellan Terminal Holdings LP	Owner/operator		1	2
Magellan Terminals Holdings, L.P.	Owner/operator	Tulsa, OK		16
Magnolia Gas Gathering, LLC	Owner/operator	Longview, TX		17
Magnolia LNG, LLC	Owner/operator		1
Magnolia Midstream Gas Services, L.l.c.	Owner/operator	Tulsa, OK		1
Magnolia Oil And Gas	Owner/operator	Greenway Plaza, TX		1
Magnolia River Inc.	Third-party inspection	Huntsville, AL
Magnum Gas Pipeline, Inc.	Owner/operator	Shreveport, LA		1
Magnum Gas Storage, LLC	Owner/operator		2
Magnum Hunter Production Inc	Owner/operator	Lexington, KY		1
Magnum Operating, LLC	Owner/operator	Corpus Christi, TX		2
Maguire Oil Company	Owner/operator			1
Main Energy, Inc.	Owner/operator
Main Pass Oil Gathering Company, LLC	Owner/operator		1
Main Pass Oil Gathering System	Owner/operator	Naperville, IL
Maine Natural Gas	Owner/operator	Brunswick, ME		1

Companies come from public sources: PHMSA and state filings, FERC dockets, the PLCA member list and the API 5L license list. See also pipeline systems, facilities and projects.