Operations from Coast to Coast
Refining
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13 Refineries -
- 12 States
- 2.9 million Barrels per day
refining capacity
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Washington
Anacortes- Crude Oil Capacity: 119,000 bpcd
- Employees: Approx. 390
- Fast Fact: Products are distributed through pipeline connected terminals and MPC's marine terminal via ships and barges.
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Ohio
Canton- Crude Oil Capacity: 97,000 bpcd
- Employees: Approx. 340
- Fast Fact: Supply consists of sweet and sour crude oils, including production from the nearby Utica shale.
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Kentucky
Catlettsburg- Crude Oil Capacity: 291,000 bpcd
- Employees: Approx. 740
- Fast Fact: MPC completed construction of a condensate splitter in 2015, increasing the refinery's capacity to process condensate from the Utica shale region.
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Michigan
Detroit- Crude Oil Capacity: 140,000 bpcd
- Employees: Approx. 510
- Fast Fact: It is the only petroleum refinery in Michigan.
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Texas
El Paso- Crude Oil Capacity: 131,000 bpcd
- Employees: Approx. 440
- Fast Fact: The refinery was originally two facilities.
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Texas
Galveston Bay- Crude Oil Capacity: 593,000 bpcd
- Employees: Approx. 1,790
- Fast Fact: The refinery has access to the export market and multiple options to sell refined products.
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Louisiana
Garyville- Crude Oil Capacity: 578,000 bpcd
- Employees: Approx. 930
- Fast Fact: Located along the Mississippi River, between New Orleans and Baton Rouge, the Garyville refinery is one of the largest refineries in the U.S.
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Alaska
Kenai- Crude Oil Capacity: 68,000 bpcd
- Employees: Approx. 230
- Fast Fact: The refinery processes mainly Alaska domestic crude along with limited international crude.
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California
Los Angeles- Crude Oil Capacity: 363,000 bpcd
- Employees: Approx. 1,620
- Fast Fact: The Los Angeles refinery is the largest refinery on the West Coast and is a major producer of clean fuels.
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North Dakota
Mandan- Crude Oil Capacity: 71,000 bpcd
- Employees: Approx. 290
- Fast Fact: The refinery began operations in 1954.
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Illinois
Robinson- Crude Oil Capacity: 253,000 bpcd
- Employees: Approx. 690
- Fast Fact: The refinery was built in 1906 and purchased by MPC in 1924.
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Utah
Salt Lake City- Crude Oil Capacity: 66,000 bpcd
- Employees: Approx. 260
- Fast Fact: The refinery began operations in 1908 and is now the largest in Utah.
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Minnesota
St. Paul Park- Crude Oil Capacity: 104,000 bpcd
- Employees: Approx. 370
- Fast Fact: The refinery is located along the Mississippi River southeast of St. Paul Park, Minnesota and was originally built in 1939.
Midstream
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1 High-growth mlp MPLX LP -
- 112 Terminals
- 11+ Billion Cubic Ft/ Day
Processing Capacity
Retail
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3 strong brands: Speedway®, Marathon® and Arco® -
- ~3,900Company Owned and Operated
- ~7,100Branded Locations
- ~1,100 Direct Dealer Locations, Primarily in California
Refineries
We operate the nation's largest refining system, with approximately 2.9 million barrels per day of crude oil capacity across 13 refineries. Our refineries are integrated with each other via pipelines, terminals and barges to maximize operating efficiency.


Midstream
Our Midstream segment primarily includes the operations of MPLX LP, MPC's sponsored master limited partnership, which transports, stores, distributes and markets crude oil and refined products via refining logistics assets, pipelines, terminals, towboats and barges; gather, processes and transports natural gas; and gathers, transports, fractionates, stores and markets natural gas liquids
Retail
Marathon brand and ARCO gas stations and Speedway convenience stores are across the U.S. and Northern Mexico so that you can stay fueled and on the road to where you're going.
Refining
We operate the nation's largest refining system with approximately 2.9 million barrels per day of crude oil capacity across 13 refineries.
Industrial Products
We offer a variety of industrial petroleum-based products. From asphalt to petrochemicals, we have everything you need to fuel your business.