Exhibit 21.1
MPLX LP
LIST OF SUBSIDIARIES
as of December 31, 2022
Name of Subsidiary | Jurisdiction of Organization/Incorporation | |||||||
* | ADCC Pipeline, LLC | Delaware | ||||||
Andeavor Field Services LLC | Delaware | |||||||
Andeavor Gathering I LLC | Delaware | |||||||
Andeavor Logistics CD LLC | Delaware | |||||||
Andeavor Logistics GP LLC | Delaware | |||||||
Andeavor Logistics LP | Delaware | |||||||
* | Andeavor Logistics Rio Pipeline LLC | Delaware | ||||||
Andeavor Midstream Partners GP LLC | Delaware | |||||||
Andeavor Midstream Partners LP | Delaware | |||||||
Andeavor Midstream Partners Operating LLC | Delaware | |||||||
Andeavor MPL Holdings LLC | Delaware | |||||||
Asphalt Terminals LLC | Delaware | |||||||
* | Bakken Pipeline Investments LLC | Delaware | ||||||
* | BANGL Operating, LLC | Delaware | ||||||
* | BANGL, LLC | Delaware | ||||||
Blanchard Terminal Company LLC | Delaware | |||||||
Canton Refining Logistics LLC | Delaware | |||||||
Catlettsburg Refining Logistics LLC | Delaware | |||||||
* | Centrahoma Processing LLC | Delaware | ||||||
* | Dakota Access Holdings LLC | Delaware | ||||||
* | Dakota Access Truck Terminals, LLC | Delaware | ||||||
* | Dakota Access, LLC | Delaware | ||||||
* | Delaware Basin Residue, LLC | Delaware | ||||||
* | Delek W2W, LLC | Delaware | ||||||
Detroit Refining Logistics LLC | Delaware | |||||||
* | Eastern Gulf Crude Access, LLC | Delaware | ||||||
* | Energy Transfer Crude Oil Company, LLC | Delaware | ||||||
* | Enstor Waha Storage and Transportation, L.P. | Texas | ||||||
* | EO Resources, LLC | Oregon | ||||||
* | ETCO Holdings LLC | Delaware | ||||||
* | Explorer Pipeline Company | Delaware | ||||||
Galveston Bay Refining Logistics LLC | Delaware | |||||||
Garyville Refining Logistics LLC | Delaware | |||||||
Green River Processing, LLC | Delaware | |||||||
* | Guilford County Terminal Company, LLC | North Carolina | ||||||
Hardin Street Marine LLC | Delaware |
Hardin Street Transportation LLC | Delaware | |||||||
* | Illinois Extension Pipeline Company, L.L.C. | Delaware | ||||||
* | Jefferson Gas Gathering Company, L.L.C. | Delaware | ||||||
Lincoln Pipeline LLC | Delaware | |||||||
* | LOCAP LLC | Delaware | ||||||
* | LOOP LLC | Delaware | ||||||
Marathon Pipe Line LLC | Delaware | |||||||
* | MarEn Bakken Company LLC | Delaware | ||||||
MarkWest Agua Blanca Pipeline, L.L.C. | Delaware | |||||||
MarkWest Bluestone Ethane Pipeline, L.L.C. | Delaware | |||||||
MarkWest Delaware Basin Gas Company, L.L.C. | Delaware | |||||||
* | MarkWest EMG Jefferson Dry Gas Gathering Company, L.L.C. | Delaware | ||||||
MarkWest Energy East Texas Gas Company, L.L.C. | Delaware | |||||||
MarkWest Energy Finance Corporation | Delaware | |||||||
MarkWest Energy Operating Company, L.L.C. | Delaware | |||||||
MarkWest Energy Partners, L.P. | Delaware | |||||||
MarkWest Energy South Texas Gas Company, L.L.C. | Delaware | |||||||
MarkWest Energy West Texas Gas Company, L.L.C. | Delaware | |||||||
MarkWest Hydrocarbon, L.L.C. | Delaware | |||||||
MarkWest Liberty Bluestone, L.L.C. | Delaware | |||||||
MarkWest Liberty Ethane Pipeline, L.L.C. | Delaware | |||||||
MarkWest Liberty Gas Gathering, L.L.C. | Delaware | |||||||
MarkWest Liberty Midstream & Resources, L.L.C. | Delaware | |||||||
MarkWest Liberty NGL Pipeline, L.L.C. | Delaware | |||||||
MarkWest Mariner Pipeline, L.L.C. | Delaware | |||||||
* | MarkWest Ohio Fractionation Company, L.L.C. | Delaware | ||||||
MarkWest Oklahoma Gas Company, L.L.C. | Oklahoma | |||||||
MarkWest Panola Pipeline, L.L.C. | Texas | |||||||
MarkWest Panola Utility Company, L.L.C. | Delaware | |||||||
MarkWest Pioneer, L.L.C. | Delaware | |||||||
MarkWest Pipeline Company, L.L.C. | Texas | |||||||
* | MarkWest POET, L.L.C. | Delaware | ||||||
MarkWest Ranger Pipeline Company, L.L.C. | Delaware | |||||||
MarkWest Texas PNG Utility, L.L.C. | Texas | |||||||
* | MarkWest Tornado GP, L.L.C. | Delaware | ||||||
* | MarkWest Utica EMG, L.L.C. | Delaware | ||||||
MarkWest Utica Operating Company, L.L.C. | Delaware | |||||||
* | Matterhorn Express Pipeline, LLC | Delaware | ||||||
* | Midwest Connector Capital Company LLC | Delaware | ||||||
* | Minnesota Pipe Line Company, LLC | Delaware | ||||||
* | MPL Investments, Inc. | Delaware | ||||||
MPL Louisiana Holdings LLC | Delaware | |||||||
MPLX Alaska LLC | Delaware |
MPLX Alaska Logistics LLC | Delaware | |||||||
MPLX DAPLETCO Holdings LLC | Delaware | |||||||
MPLX Delaware Basin LLC | Delaware | |||||||
MPLX Fuels Distribution LLC | Delaware | |||||||
MPLX Operations LLC | Delaware | |||||||
MPLX Ozark Pipe Line LLC | Delaware | |||||||
MPLX Pipe Line Holdings LLC | Delaware | |||||||
MPLX Refining Logistics LLC | Delaware | |||||||
MPLX Terminal and Storage LLC | Delaware | |||||||
MPLX Terminals LLC | Delaware | |||||||
* | MPLX W2W Pipeline Holdings LLC | Delaware | ||||||
MPLXIF LLC | Delaware | |||||||
Mt. Airy Terminal LLC | Delaware | |||||||
Mule Sidetracks, L.L.C. | Delaware | |||||||
Mule Tracts, L.L.C. | Delaware | |||||||
MWE GP LLC | Delaware | |||||||
* | Ohio Condensate Company, L.L.C. | Delaware | ||||||
* | Ohio Gathering Company, L.L.C. | Delaware | ||||||
Ohio River Pipe Line LLC | Delaware | |||||||
* | Panola Pipeline Company, LLC | Texas | ||||||
* | PNAC, LLC | Nevada | ||||||
* | Rendezvous Gas Services, L.L.C. | Wyoming | ||||||
Rendezvous Pipeline Company, LLC | Colorado | |||||||
Robinson Refining Logistics LLC | Delaware | |||||||
* | Sakakawea Area Spill Response LLC | Delaware | ||||||
* | Sherwood Midstream Holdings LLC | Delaware | ||||||
* | Sherwood Midstream LLC | Delaware | ||||||
Tesoro Alaska Pipeline Company LLC | Delaware | |||||||
Tesoro Alaska Terminals LLC | Delaware | |||||||
Tesoro Great Plains Gathering & Marketing LLC | Delaware | |||||||
Tesoro Great Plains Midstream LLC | Delaware | |||||||
Tesoro High Plains Pipeline Company LLC | Delaware | |||||||
Tesoro Logistics Finance Corp. | Delaware | |||||||
Tesoro Logistics Northwest Pipeline LLC | Delaware | |||||||
Tesoro Logistics Operations LLC | Delaware | |||||||
Tesoro Logistics Pipelines LLC | Delaware | |||||||
Tesoro SoCal Pipeline Company LLC | Delaware | |||||||
* | Three Rivers Gathering, LLC | Delaware | ||||||
* | Uintah Basin Field Services, L.L.C. | Delaware | ||||||
* | W2W Finance LLC | Delaware | ||||||
* | W2W Holdings LLC | Delaware | ||||||
* | Waha Gas Storage, LLC | Delaware | ||||||
* | West Relay Gathering Company, L.L.C. | Delaware |
Western Refining Conan Gathering, LLC | Delaware | |||||||
Western Refining Delaware Basin Storage, LLC | Delaware | |||||||
Western Refining Logistics GP, LLC | Delaware | |||||||
Western Refining Logistics, LP | Delaware | |||||||
Western Refining Pipeline, LLC | New Mexico | |||||||
Western Refining Terminals, LLC | Delaware | |||||||
* | Whistler Pipeline LLC | Delaware | ||||||
* | Wink to Webster Pipeline LLC | Delaware | ||||||
WNRL Energy GP, LLC | Delaware | |||||||
WNRL Energy, LLC | Delaware | |||||||
Woodhaven Cavern LLC | Delaware |
* | Indicates a company that is not wholly owned, directly or indirectly, by MPLX LP. |