Exhibit 21.1
MARATHON PETROLEUM CORPORATION
LIST OF SUBSIDIARIES
as of December 31, 2012
| Name of Subsidiary | Jurisdiction of Organization/Incorporation | |||||||
| Blanchard Holdings Company LLC | Delaware | |||||||
| Blanchard Pipe Line Company LLC | Delaware | |||||||
| Blanchard Refining Company LLC | Delaware | |||||||
| Blanchard Terminal Company LLC | Delaware | |||||||
| Bonded Oil Company | Delaware | |||||||
| Buckeye Assurance Corporation | Vermont | |||||||
| Catlettsburg Refining, LLC | Delaware | |||||||
| * | Centennial Pipeline LLC | Delaware | ||||||
| * | Explorer Pipeline Company | Delaware | ||||||
| * | Gravcap, Inc. | Delaware | ||||||
| * | Green Bay Terminal Corporation | Wisconsin | ||||||
| * | Guilford County Terminal Company, LLC | North Carolina | ||||||
| Hardin Assurance Ltd. | Bermuda | |||||||
| Hardin Street Holdings LLC | Delaware | |||||||
| * | Johnston County Terminal, LLC | Delaware | ||||||
| * | LOCAP LLC | Delaware | ||||||
| * | LOOP LLC | Delaware | ||||||
| Mannheim Terminal and Warehousing Service Company | Illinois | |||||||
| Marathon Canada Marketing, Ltd. | Delaware | |||||||
| Marathon Carbon Management LLC | Delaware | |||||||
| Marathon Domestic LLC | Delaware | |||||||
| Marathon Petroleum Company Canada, Ltd. | Alberta | |||||||
| Marathon Petroleum Company LP | Delaware | |||||||
| Marathon Petroleum Logistics Services LLC | Delaware | |||||||
| Marathon Petroleum Service Company | Delaware | |||||||
| Marathon Petroleum Supply LLC | Delaware | |||||||
| Marathon Petroleum Trading Canada LLC | Delaware | |||||||
| Marathon Pipe Line Company | Nevada | |||||||
| Marathon Pipe Line LLC | Delaware | |||||||
| Marathon PrePaid Card LLC | Ohio | |||||||
| Marathon Renewable Fuels Corp. | Delaware | |||||||
| Marathon Renewable Fuels LLC | Delaware | |||||||
| Marathon Renewable Supply LLC | Delaware | |||||||
| * | Mascoma Corporation | Delaware | ||||||
| MPC Investment Fund, Inc. | Delaware | |||||||
| MPC Investment LLC | Delaware | |||||||
| MPC Trade Receivables Company LLC | Delaware | |||||||
| MPL Investment LLC | Delaware | |||||||
| MPL Louisiana Holdings LLC | Delaware | |||||||
| MPLX GP LLC | Delaware | |||||||
| MPLX Logistics Holdings LLC | Delaware | |||||||
| MPLX LP | Delaware | |||||||
| MPLX Operations LLC | Delaware | |||||||
| MPLX Pipe Line Holdings LLC | Delaware | |||||||
| MPLX Terminal and Storage LLC | Delaware | |||||||
| * | Muskegon Pipeline LLC | Delaware | ||||||
| NEC Ethanol LLC | Delaware | |||||||
| Niles Properties LLC | Delaware | |||||||
* | Northern Tier Holdings LLC | Delaware | ||||||
| Ohio River Pipe Line LLC | Delaware | |||||||
* | Oil Insurance Limited | Bermuda | ||||||
| Oil Spill Response Limited | England & Wales | |||||||
* | Port Everglades Environmental Corp. | Florida | ||||||
* | Resource Environmental, L.L.C. | Delaware | ||||||
| Speedway LLC | Delaware | |||||||
| Speedway Petroleum Corporation | Delaware | |||||||
| Speedway Prepaid Card LLC | Ohio | |||||||
| Speedway.com LLC | Delaware | |||||||
| Starvin Marvin, Inc. | Delaware | |||||||
* | The Andersons Clymers Ethanol LLC | Ohio | ||||||
* | The Andersons Marathon Ethanol LLC | Delaware | ||||||
* | WIP, LLC | Indiana | ||||||
* | Wolverine Pipe Line Company | Delaware |
| * | Indicates a company that is not wholly owned directly or indirectly by Marathon Petroleum Corporation |