Exhibit 21.1

Subsidiaries of Marathon Oil Corporation

	Company Name	Country	Country Region
	Alaska Transportation Service Company	United States	Delaware
*	Alba Associates LLC	Cayman Islands
	Alba Equatorial Guinea Partnership, L.P.	United States	Delaware
*	Alba Plant LLC	Cayman Islands
*	Albian Sands Energy Inc.	Canada	Alberta
*	Alvheim AS	Norway
	Amethyst Calypso Pipeline LLC	United States	Delaware
*	AMPCO Marketing, L.L.C.	United States	Michigan
*	AMPCO Services, L.L.C.	United States	Michigan
	Arctic Sun Shipping Company, Ltd.	United States	Delaware
*	Atlantic Methanol Associates LLC	Cayman Islands
*	Atlantic Methanol Production Company LLC	Cayman Islands
	Baja Holdings B.V.	Netherlands
	Baja Power Holdings B.V.	Netherlands
	Beluga Pipe Line Company	United States	Delaware
	Bonded Oil Company	United States	Delaware
	Brae Gas Marketing Company Limited	United Kingdom	England and Wales
	Catlettsburg Refining, LLC	United States	Delaware
*	Centennial Pipeline LLC	United States	Delaware
	Cervus Investments Sp. z o.o.	Poland
	CIGGS LLC	United States	Delaware
	Continental Divide LLC	United States	Delaware
	E.G. Global LNG Services, Ltd.	United States	Delaware
*	Eagle Sun Company Limited	Liberia
*	Equatorial Guinea LNG Company, S.A.	Equatorial Guinea
*	Equatorial Guinea LNG Holdings Limited	Bahamas
*	Equatorial Guinea LNG Operations, S.A.	Equatorial Guinea
*	Equatorial Guinea LNG Train 1, S.A.	Equatorial Guinea
*	Explorer Pipeline Company	United States	Delaware
	FWA Equipment & Mud Company, Inc.	United States	Delaware
	Glacier Drilling Company	United States	Delaware
	Globex Energy, Inc.	United States	Delaware
*	Gravcap, Inc.	United States	Delaware
*	Green Bay Terminal Corporation	United States	Wisconsin
*	GRT, Inc.	United States
	GTLI LLC	United States	Delaware
*	Guilford County Terminal Company, LLC	United States	North Carolina
*	In-Depth Systems, Inc.	United States	Texas
	Indonesia Kumawa Energy Limited	Cayman Islands
*	Johnston County Terminal, LLC	United States	Delaware
*	Kenai Kachemak Pipeline, LLC	United States	Alaska
*	Kenai LNG Corporation	United States	Delaware

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	Kenai Nikiski Pipeline LLC	United States	Delaware
	Limited Liability Company “Marathon Petroleum Ukraine”	Ukraine
*	LOCAP LLC	United States	Delaware
*	LOOP LLC	United States	Delaware
	Mannheim Terminal and Warehousing Service Company	United States	Illinois
	Marathon Alaska Holding LLC	United States	Delaware
	Marathon Alaska Natural Gas Company	United States	Delaware
	Marathon Alaska Production LLC	United States	Delaware
	Marathon Alpha Holdings LLC	United States	Delaware
	Marathon Baja Limited	Cayman Islands
	Marathon Canada Holdings Limited	Canada	Nova Scotia
	Marathon Canada Marketing, Ltd.	United States	Delaware
	Marathon Canada Petroleum ULC	Canada	Nova Scotia
	Marathon Canadian Oil Sands Holding Limited	Canada	Alberta
	Marathon Delta Holdings Limited	Cayman Islands
	Marathon Delta Investment Limited	Cayman Islands
	Marathon Domestic LLC	United States	Delaware
	Marathon Dutch Investment B.V.	Netherlands
	Marathon Dutch Investment Coöperatief U.A.	Netherlands
	Marathon Dutch Investment LLC	United States	Delaware
	Marathon E.G. Alba Limited	Cayman Islands
	Marathon E.G. Holding Limited	Cayman Islands
	Marathon E.G. International Limited	Cayman Islands
	Marathon E.G. LNG Holding Limited	Cayman Islands
	Marathon E.G. LPG Limited	Cayman Islands
	Marathon E.G. Methanol Limited	Cayman Islands
	Marathon E.G. Offshore Limited	Cayman Islands
	Marathon E.G. Petroleum Operations Limited	Cayman Islands
	Marathon E.G. Production Limited	Cayman Islands
	Marathon East Texas Holdings LLC	United States	Delaware
	Marathon Exploration Tunisia, Ltd.	United States	Delaware
	Marathon Financing Trust I	United States	Delaware
	Marathon Financing Trust II	United States	Delaware
	Marathon Gas Gathering Inc.	United States	Delaware
	Marathon Global Services, Ltd.	United States	Delaware
	Marathon Green B.V.	Netherlands
	Marathon GTF Development Limited	Cayman Islands
	Marathon GTF Holdings Limited	Cayman Islands
	Marathon GTF Technology, Ltd.	United States	Delaware
	Marathon Guaranty Corporation	United States	Delaware
	Marathon Indonesia (Bone Bay) Limited	Cayman Islands
	Marathon Indonesia (Kumawa) Limited	Cayman Islands
	Marathon Indonesia Exploration Limited	Cayman Islands
	Marathon Indonesia Holding Limited	Cayman Islands
	Marathon Indonesia New Ventures Limited	Cayman Islands
	Marathon International Oil Company	United States	Delaware

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Marathon International Petroleum (G.B.) Limited	United Kingdom	England and Wales
Marathon International Petroleum Angola Block 31 Limited	Cayman Islands
Marathon International Petroleum Angola Block 32 Limited	Cayman Islands
Marathon International Petroleum Asia Pacific Limited	Cayman Islands
Marathon International Petroleum Blanco Limited	Cayman Islands
Marathon International Petroleum Canada, Ltd.	United States	Delaware
Marathon International Petroleum Holdings LLC	United States	Delaware
Marathon International Petroleum Indonesia Limited	Cayman Islands
Marathon International Petroleum Libya Limited	Cayman Islands
Marathon International Petroleum Mercury Limited	Cayman Islands
Marathon International Petroleum Morado Limited	Cayman Islands
Marathon International Petroleum Supply Company (G.B.) Limited	United Kingdom	England and Wales
Marathon International Petroleum Turquesa Limited	Cayman Islands
Marathon International Petroleum Ukraine Holding Limited	Cayman Islands
Marathon International Petroleum Ventures Limited	Cayman Islands
Marathon International Petroleum, Ltd.	United States	Delaware
Marathon International Services Limited	Cayman Islands
Marathon LNG Marketing LLC	United States	Delaware
Marathon Methanol Holding LLC	United States	Delaware
Marathon Nigeria Holding	Cayman Islands
Marathon Nigerian Ventures LLC	United States	Delaware
Marathon Offshore Alpha Limited	Cayman Islands
Marathon Offshore Beta Limited	Cayman Islands
Marathon Offshore Delta Limited	Cayman Islands
Marathon Offshore Epsilon Limited	Cayman Islands
Marathon Offshore Gamma Limited	Cayman Islands
Marathon Offshore GTF Limited	Cayman Islands
Marathon Offshore Holding Limited	Cayman Islands
Marathon Offshore Libya Service Company, Ltd.	United States	Delaware
Marathon Offshore Pipeline LLC	United States	Delaware
Marathon Oil (East Texas) L.P.	United States	Texas
Marathon Oil (West Texas) L.P.	United States	Texas
Marathon Oil Canada Corporation	Canada	Alberta
Marathon Oil Company	United States	Ohio
Marathon Oil Company Foundation	United States	Texas
Marathon Oil Corporation	United States	Delaware
Marathon Oil Decommissioning Services, Ltd.	United States	Delaware
Marathon Oil Downstream, Ltd.	United States	Delaware
Marathon Oil Exploration (U.K.) Limited	United Kingdom	England and Wales
Marathon Oil Holdings (Barbados) Inc.	Barbados
Marathon Oil Libya Limited	Cayman Islands
Marathon Oil North Sea (G.B.) Limited	United Kingdom	England and Wales
Marathon Oil Poland - Area A Sp. z o.o.	Poland
Marathon Oil Poland - Area B Sp. z o.o.	Poland
Marathon Oil Poland - Area C Sp. z o.o.	Poland
Marathon Oil Poland - Area D Sp. z o.o.	Poland

3

Marathon Oil Poland - Area E Sp. z o.o.	Poland
Marathon Oil Poland - Area F Sp. z o.o.	Poland
Marathon Oil Poland - Area G Sp. z o.o.	Poland
Marathon Oil Sands (U.S.A.) Inc.	United States	Delaware
Marathon Oil U.K., Ltd.	United States	Delaware
Marathon Petroleum (Syria) B.V.	Netherlands
Marathon Petroleum (Syria) Ltd	Switzerland
Marathon Petroleum Amethyst Limited	Cayman Islands
Marathon Petroleum Angola Block 31 Limited	Cayman Islands
Marathon Petroleum Angola Block 32 Limited	Cayman Islands
Marathon Petroleum Cap Bon, Ltd.	United States	Delaware
Marathon Petroleum Company	United States	Delaware
Marathon Petroleum Company (Norway) LLC	United States	Delaware
Marathon Petroleum Company Canada, Ltd.	Canada	Alberta
Marathon Petroleum Company LLC	United States	Delaware
Marathon Petroleum Dutch Holdings B.V.	Netherlands
Marathon Petroleum Dutch Holdings Coöperatief U.A.	Netherlands
Marathon Petroleum Dutch Investment C.V.	Netherlands
Marathon Petroleum Eastern, Ltd.	United States	Delaware
Marathon Petroleum Gabon LDC	Cayman Islands
Marathon Petroleum Gabon, Ltd.	United States	Delaware
Marathon Petroleum Garnet Limited	Cayman Islands
Marathon Petroleum Hibernia, Ltd.	United States	Delaware
Marathon Petroleum Holdings LLC	United States	Delaware
Marathon Petroleum Investment LLC	United States	Delaware
Marathon Petroleum Ireland, Ltd.	United States	Delaware
Marathon Petroleum Jenein Limited	Cayman Islands
Marathon Petroleum Jupiter Limited	Cayman Islands
Marathon Petroleum Lapis Limited	Cayman Islands
Marathon Petroleum Nigeria Limited	Nigeria
Marathon Petroleum Norge AS	Norway
Marathon Petroleum North Sea (G.B.) Limited	United Kingdom	England and Wales
Marathon Petroleum Preferred Funding, Ltd.	United States	Delaware
Marathon Petroleum Production Finance, Ltd.	United States	Delaware
Marathon Petroleum Qatar Limited	Cayman Islands
Marathon Petroleum Salmagundi, Ltd.	United States	Delaware
Marathon Petroleum Supply Company (U.S.) Limited	United Kingdom	England and Wales
Marathon Petroleum Supply LLC	United States	Delaware
Marathon Petroleum Swiss Holdings LLC	Switzerland
Marathon Petroleum Timor Gap East, Ltd.	United States	Delaware
Marathon Petroleum Timor Gap West, Ltd.	United States	Delaware
Marathon Petroleum Trading Canada LLC	United States	Delaware
Marathon Petroleum U.K., Ltd.	United States	Delaware
Marathon Petroleum Venus Limited	Cayman Islands
Marathon Petroleum West of Shetlands Limited	United Kingdom	England and Wales
Marathon Pipe Line Company	United States	Nevada

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	Marathon Pipe Line LLC	United States	Delaware
	Marathon Portfolio International Limited	Cayman Islands
	Marathon Power Company, Ltd.	United States	Delaware
	Marathon PrePaid Card LLC	United States	Ohio
	Marathon Renewable Fuels Corp.	United States	Delaware
	Marathon Renewable Fuels LLC	United States	Delaware
	Marathon Service (G.B.) Limited	United Kingdom	England and Wales
	Marathon Service Company	United States	Delaware
	Marathon US Holdings Inc.	United States	Delaware
	Marathon West Texas Holdings LLC	United States	Delaware
	Marathon Western Saudi Arabia Limited	Cayman Islands
*	Mascoma Corporation	United States	Delaware
	Mid-Valley Supply LLC	United States	Delaware
	Miltiades Limited	United Kingdom	England and Wales
*	Minnesota Pipe Line Company, LLC	United States	Delaware
	MOC Portfolio Delaware, Inc.	United States	Delaware
	MP Ukraine Holding Limited	Cyprus
	MPC Holdings Inc.	United States	Delaware
	MPC Investment LLC	United States	Delaware
	MPL Investment LLC	United States	Delaware
*	MPL Investments, Inc.	United States	Delaware
*	Muskegon Pipeline LLC	United States	Delaware
	Navatex Gathering LLC	United States	Delaware
	NEC Ethanol LLC	United States	Delaware
	Niles Properties LLC	United States	Delaware
*	Odyssey Pipeline L.L.C.	United States	Delaware
	Ohio River Pipe Line LLC	United States	Delaware
*	Oil Casualty Insurance, Ltd.	Bermuda
*	Oil Insurance Limited	Bermuda
	Old Main Assurance Ltd.	Bermuda
	Omni Logistics LLC	United States	Delaware
*	Palmyra Petroleum Company	Syrian Arab Republic
	Pan Ocean Energy Company	United States	Delaware
	Pennaco Energy, Inc.	United States	Delaware
	Pheidippides Finance B.V.	Netherlands
	Polar Eagle Shipping Company, Ltd.	United States	Delaware
*	Port Everglades Environmental Corp.	United States	Florida
*	Poseidon Oil Pipeline Company, L.L.C.	United States	Delaware
	Red Butte Pipe Line Company	United States	Delaware
*	Resource Environmental, L.L.C.	United States	Delaware
	Speedway Beverage LLC	United States	Delaware
	Speedway Petroleum Corporation	United States	Delaware
	Speedway Prepaid Card LLC	United States	Ohio
	Speedway SuperAmerica LLC	United States	Delaware
	Speedway.com LLC	United States	Delaware
	Starvin Marvin, Inc.	United States	Delaware

5

	SuperAmerica Beverage LLC	United States	Delaware
	SuperAmerica Franchising LLC	United States	Delaware
	SuperMom’s LLC	United States	Delaware
	Tarragon Resources (U.S.A.) Inc.	United States	Delaware
	Texas Oil & Gas Corp.	United States	Delaware
*	The Andersons Clymers Ethanol LLC	United States	Ohio
*	The Andersons Marathon Ethanol LLC	United States	Delaware
	Western Bluewater Resources (Trinidad) Limited	Trinidad and Tobago
*	WIP, LLC	United States	Indiana
*	Wolverine Pipe Line Company	United States	Delaware
	Yorktown Assurance Corporation	United States	Vermont

* Indicates a company that is not wholly owned directly or indirectly by Marathon Oil Corporation

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