Exhibit 21.1

Subsidiaries of Marathon Oil Corporation⁺

Company Name	State or Country in which Incorporated or Organized
1318214 Alberta Ltd.	Alberta	Canada
1339971 Alberta Ltd.	Alberta	Canada
1425069 Alberta Ltd.	Alberta	Canada
539 Caymans Limited		Cayman Islands
Alaska Transportation Service Company	Delaware
*Alba Associates LLC		Cayman Islands
Alba Equatorial Guinea Partnership, L.P.	Delaware
*Alba Plant LLC		Cayman Islands
*Albian Sands Energy Inc.	Alberta	Canada
*Alvheim AS		Norway
Amethyst Calypso Pipeline LLC	Delaware
*AMPCO Marketing, L.L.C.	Michigan
*AMPCO Services, L.L.C.	Michigan
Arctic Sun Shipping Company, Ltd.	Delaware
*Atlantic Methanol Associates LLC		Cayman Islands
*Atlantic Methanol Production Company LLC		Cayman Islands
Baja Holdings B.V.		Netherlands
Baja LNG Holdings LLC	Delaware
Baja Power Holdings B.V.		Netherlands
Beluga Pipe Line Company	Delaware
Bonded Oil Company	Delaware
Brae Gas Marketing Company Limited		England
Catlettsburg Refining, LLC	Delaware
*Centennial Pipeline LLC	Delaware
CIGGS LLC	Delaware
Continental Divide LLC	Delaware
E.G. Global LNG Services, Ltd.	Delaware
*Eagle Sun Company Limited		Liberia
Electrogen International - Marathon Power Limited		Cayman Islands
*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	Delaware
FWA Equipment & Mud Company, Inc.	Delaware

- 1 -

Company Name	State or Country in which Incorporated or Organized
*Gebel El Zeit Petroleum Company		Egypt
Glacier Drilling Company	Delaware
Globex Energy, Inc.	Delaware
*Gravcap, Inc.	Delaware
*Green Bay Terminal Corporation	Wisconsin
*GRT, Inc.	Delaware
GTLI LLC	Delaware
*Guilford County Terminal Company, LLC	North Carolina
Hardin Street Logistics LLC	Delaware
*In-Depth Systems, Inc.	Texas	United States
Interocean Oil Company, Inc.	Delaware
*Johnston County Terminal, LLC	Delaware
*Kenai Kachemak Pipeline, LLC	Alaska
*Kenai LNG Corporation	Delaware
Kenai Nikiski Pipeline LLC	Delaware
Limited Liability Company “Marathon Petroleum Ukraine”		Ukraine
*LOCAP LLC	Delaware
*LOOP LLC	Delaware
Mannheim Terminal and Warehousing Service Company	Illinois
Marathon Alaska Natural Gas Company	Delaware
Marathon Alpha Holdings LLC	Delaware
Marathon Baja Limited		Cayman Islands
Marathon Cameroon Limited		Cayman Islands
Marathon Canada Holdings Limited	Nova Scotia	Canada
Marathon Canada Marketing, Ltd.	Delaware
Marathon Canada Petroleum ULC	Nova Scotia	Canada
Marathon Canadian Oil Sands Holding Limited	Alberta	Canada
Marathon Domestic LLC	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	Delaware
Marathon Energy Nigeria		Cayman Islands

- 2 -

Company Name	State or Country in which Incorporated or Organized
Marathon Equatorial Guinea Limited		Cayman Islands
Marathon Exploration Tunisia, Ltd.	Delaware
Marathon Financing Trust I	Delaware
Marathon Financing Trust II	Delaware
Marathon Gas Gathering Inc.	Delaware
Marathon Global Services, Ltd.	Delaware
Marathon Green B.V.		Netherlands
Marathon GTF Development Limited		Cayman Islands
Marathon GTF Holdings Limited		Cayman Islands
Marathon GTF Technology, Ltd.	Delaware
Marathon Guaranty Corporation	Delaware
Marathon Indonesia (Bone Bay) Limited		Cayman Islands
Marathon Indonesia Exploration Limited		Cayman Islands
Marathon Indonesia Holding Limited		Cayman Islands
Marathon Indonesia New Ventures Limited		Cayman Islands
Marathon International Holding Limited		Cayman Islands
Marathon International Oil Company	Delaware
Marathon International Petroleum (G.B.) Limited		England
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.	Delaware
Marathon International Petroleum Hibernia Limited		Cayman Islands
Marathon International Petroleum Holdings LLC	Delaware
Marathon International Petroleum Indonesia Limited		Cayman Islands
Marathon International Petroleum Ireland 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		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.	Delaware
Marathon International Services Limited		Cayman Islands
Marathon Kinsale Storage Limited		Cayman Islands

- 3 -

Company Name	State or Country in which Incorporated or Organized
Marathon LNG Marketing LLC	Delaware
Marathon Luxembourg Financing S.a.r.l		Luxembourg
Marathon Methanol Holding LLC	Delaware
Marathon Nigeria Holding		Cayman Islands
Marathon Nigerian Ventures LLC	Delaware
Marathon Offshore Alpha Limited		Cayman Islands
Marathon Offshore Angola Block 32 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.	Delaware
Marathon Offshore Pipeline LLC	Delaware
Marathon Oil (East Texas) L.P.	Texas
Marathon Oil (West Texas) L.P.	Texas
Marathon Oil Canada Corporation	Alberta	Canada
Marathon Oil Company	Ohio
Marathon Oil Company Foundation	Texas
Marathon Oil Corporation	Delaware
Marathon Oil Decommissioning Services, Ltd.	Delaware
Marathon Oil Downstream, Ltd.	Delaware
Marathon Oil Exploration (U.K.) Limited		England
Marathon Oil Gabon Limited		Cayman Islands
Marathon Oil Holdings (Barbados) Inc.		Barbados
Marathon Oil Ireland Limited		Cayman Islands
Marathon Oil Libya Limited		Cayman Islands
Marathon Oil North Sea (G.B.) Limited		England
Marathon Oil Sands (U.S.A.) Inc.	Delaware
Marathon Oil Sands L.P.	Alberta	Canada
Marathon Oil U.K., Ltd.	Delaware
Marathon Oil Ukraine, Ltd.	Delaware
Marathon Petroleum (Syria) B.V.		Netherlands
Marathon Petroleum (Syria) Ltd		Switzerland
Marathon Petroleum Akoumba Limited		Cayman Islands
Marathon Petroleum Amethyst Limited		Cayman Islands
Marathon Petroleum Angola Block 31 Limited		Cayman Islands
Marathon Petroleum Angola Block 32 Limited		Cayman Islands
Marathon Petroleum Azul Limited		Cayman Islands

- 4 -

Company Name	State or Country in which Incorporated or Organized
Marathon Petroleum Cap Bon, Ltd.	Delaware
Marathon Petroleum Company	Delaware
Marathon Petroleum Company (Norway) LLC	Delaware
Marathon Petroleum Company Canada, Ltd.	Alberta	Canada
Marathon Petroleum Company LLC	Delaware
Marathon Petroleum Dutch Holdings B.V.		Netherlands
Marathon Petroleum Dutch Holdings Coöperatief U.A.		Netherlands
Marathon Petroleum Eastern, Ltd.	Delaware
Marathon Petroleum Egypt, Ltd.	Delaware
Marathon Petroleum El Manzala Limited		Cayman Islands
Marathon Petroleum Gabon LDC		Cayman Islands
Marathon Petroleum Gabon, Ltd.	Delaware
Marathon Petroleum Garnet Limited		Cayman Islands
Marathon Petroleum Gebel El Zeit, Ltd.	Delaware
Marathon Petroleum Hibernia, Ltd.	Delaware
Marathon Petroleum Holdings LLC	Delaware
Marathon Petroleum Inguessi Limited		Cayman Islands
Marathon Petroleum Investment LLC	Delaware
Marathon Petroleum Ireland, Ltd.	Delaware
Marathon Petroleum Jenein Limited		Cayman Islands
Marathon Petroleum Jupiter Limited		Cayman Islands
Marathon Petroleum Lapis Limited		Cayman Islands
Marathon Petroleum Libya LLC	Delaware
Marathon Petroleum Nigeria Limited		Nigeria
Marathon Petroleum Norge AS		Norway
Marathon Petroleum North Sea (G.B.) Limited		England
Marathon Petroleum Preferred Funding, Ltd.	Delaware
Marathon Petroleum Production Finance, Ltd.	Delaware
Marathon Petroleum Qatar Limited		Cayman Islands
Marathon Petroleum Russia, Ltd.	Delaware
Marathon Petroleum Salmagundi, Ltd.	Delaware
Marathon Petroleum Sudan, Ltd.	Delaware
Marathon Petroleum Supply Company (U.S.) Limited		England and Wales
Marathon Petroleum Supply LLC	Delaware
Marathon Petroleum Swiss Holdings LLC		Switzerland
Marathon Petroleum Syria, Ltd.	Delaware
Marathon Petroleum Timor Gap East, Ltd.	Delaware
Marathon Petroleum Timor Gap West, Ltd.	Delaware
Marathon Petroleum Trading Canada LLC	Delaware	United States

- 5 -

Company Name	State or Country in which Incorporated or Organized
Marathon Petroleum U.K., Ltd.	Delaware
Marathon Petroleum Venus Limited		Cayman Islands
Marathon Petroleum West of Shetlands Limited		England and Wales
Marathon Petroleum Western Siberia Limited		Cayman Islands
Marathon Pipe Line Company	Nevada
Marathon Pipe Line LLC	Delaware
Marathon Portfolio International Limited		Cayman Islands
Marathon Power Africa/Middle East Limited		Cayman Islands
Marathon Power Argentina Limited		Cayman Islands
Marathon Power Company, Ltd.	Delaware
Marathon Power India Limited		Cayman Islands
Marathon PrePaid Card LLC	Ohio
Marathon Qatar GTL Limited		Cayman Islands
Marathon Renewable Fuels Corp.	Delaware
Marathon Renewable Fuels LLC	Delaware
Marathon Russia Offshore Resources, Ltd.	Delaware
Marathon Russia Resource Company, Ltd.	Delaware
Marathon Russia Secondment, Ltd.	Delaware
Marathon Sakhalin Limited		Cayman Islands
Marathon Service (G.B.) Limited		England
Marathon Service Company	Delaware
Marathon Seven Heads Limited		Ireland
Marathon Upstream Sakhalin Services, Ltd.	Delaware
Marathon US Holdings Inc.	Delaware
Marathon West Texas Holdings LLC	Delaware
Marathon Western Saudi Arabia Limited		Cayman Islands
*Mascoma Corporation	Delaware
Mid-Valley Supply LLC	Delaware
Miltiades Limited		England and Wales
*Minnesota Pipe Line Company, LLC	Delaware
MOC Portfolio Delaware, Inc.	Delaware
MP Ukraine Holding Limited		Cyprus
*MPL Investments, Inc.	Delaware
*Muskegon Pipeline LLC	Delaware
Navatex Gathering LLC	Delaware
NEC Ethanol LLC	Delaware
Niles Properties LLC	Delaware
*Odyssey Pipeline L.L.C.	Delaware
Ohio River Pipe Line LLC	Delaware
*Oil Casualty Insurance, Ltd.		Bermuda

- 6 -

Company Name	State or Country in which Incorporated or Organized
*Oil Insurance Limited	Hamilton	Bermuda
Old Main Assurance Ltd.	Hamilton	Bermuda
Omni Logistics LLC	Delaware
*Palmyra Petroleum Company		Syria
Pan Ocean Energy Company	Delaware
Pennaco Energy, Inc.	Delaware
Pheidippides Finance B.V.		Netherlands
Polar Eagle Shipping Company, Ltd.	Delaware
Port Everglades Environmental Corp.	Florida
*Poseidon Oil Pipeline Company, L.L.C.	Delaware
Red Butte Pipe Line Company	Delaware
*Resource Environmental, L.L.C.	Delaware
*Southcap Pipe Line Company	Delaware
Speedway Beverage LLC	Delaware
Speedway Petroleum Corporation	Delaware
Speedway Prepaid Card LLC	Ohio
Speedway SuperAmerica LLC	Delaware
Speedway.com LLC	Delaware
Starvin Marvin, Inc.	Delaware
SuperAmerica Beverage LLC	Delaware
SuperAmerica Franchising LLC	Delaware
SuperMom’s LLC	Delaware
Tarragon Resources (U.S.A.) Inc.	Delaware
Texas Oil & Gas Corp.	Delaware
*The Andersons Clymers Ethanol LLC	Ohio
*The Andersons Marathon Ethanol LLC	Delaware
*West Gemsa Petroleum Company		Egypt
Western Bluewater Resources (Trinidad) Limited		Trinidad And Tobago
*WIP, LLC	Indiana
*Wolverine Pipe Line Company	Delaware
Yorktown Assurance Corporation	Vermont

+ Certain subsidiaries are not listed since, considered in the aggregate as a single subsidiary, they would not constitute a significant subsidiary under the Securities and Exchange Commission Regulation S-X, Rule 1-02(w).

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

- 7 -