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In 2011, Marathon Petroleum Corporation (MPC) became a separate downstream energy company from Marathon Oil Corporation. The two companies now share a joint, rich history that dates back to 1887. The following is a timeline tracking MPC’s growth and evolution as a leader in the refining, marketing and transportation side of the energy business.
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1887
The Ohio Oil Company is founded under the leadership of president Henry M. Ernst in northwestern Ohio, which was the country’s leading center for crude oil production at this time. "The Ohio" becomes the largest oil producer in the state.
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1889
John D. Rockefeller’s Standard Oil Trust purchases The Ohio Oil Company.
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1905
Headquarters move from Lima, Ohio, to Findlay, Ohio.
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1908
Establishing itself as a major pipeline company, The Ohio Oil Company now controls half of the field production in three states.
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1911
As a result of President Teddy Roosevelt's trust busting campaign, The Ohio Oil Company resumes independent operation following the dissolution of the Standard Oil monopoly. James C. Donnell becomes company president.
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1915
Assigns 1,800 miles of pipeline, as well as gathering and storage facilities, to the newly acquired Illinois Pipe Line Company.
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1924
Purchases the Lincoln Oil Refining Company (and its first refinery in Robinson, Illinois) to better integrate and develop crude oil outlets.
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1930
Purchases the Transcontinental Oil Company, acquiring the Marathon product name, the Pheidippides Greek runner trademark, and the "Best in the Long Run" slogan. This acquisition also gave Ohio Oil the prolific Yates Field in Texas. The Ohio Oil Company's stock is publicly traded on the New York Stock Exchange for the first time.
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1943
Dissolves the Illinois Pipe Line Company and creates own internal pipeline department.
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1959
Purchases Aurora Gasoline Company, taking Ohio Oil’s gasoline sales beyond the national industry average. Marathon Pipe Line Company is officially formed.
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1962
Celebrating its 75th anniversary, The Ohio Oil Company changes its name to Marathon Oil Company in recognition of its brand-name motor fuel and launches its new corporate logo. Marathon then acquires Plymouth Oil Company, launching the company into the wholesale gasoline business.
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1977
To meet the fuel demands of modern catalytic-converter equipped cars, Marathon acquires a new refinery in Garyville, Louisiana, the nation’s first grassroots refinery in more than a decade.
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1982
Marathon Oil Company becomes a wholly owned subsidiary of the United States Steel Corporation.
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1986
The United States Steel Corporation changes its name to USX Corporation, which includes the Marathon Group and United States Steel (USS) LLC.
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1990
Marathon establishes its corporate headquarters in Houston, Texas, although Findlay, Ohio remains the primary location for refining, marketing and transportation operations.
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1997
Marathon subsidiary Emro Marketing Company consolidates many separate brand names under Speedway SuperAmerica LLC.
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1998
Marathon and Ashland Inc. form Marathon Ashland Petroleum LLC (MAP), a joint venture combining the companies’ refining, marketing and transportation businesses. At the end of its start-up year, MAP emerges as one of the foremost companies in the downstream sector of the American petroleum industry.
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2002
After the USX Corporation’s Board of Directors votes to separate the Marathon Group and USS LLC into two independent companies, and Marathon Oil Corporation now trades on the New York Stock Exchange under the symbol MRO.
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2003
Completed construction of Cardinal Products Pipeline, a state-of-the-art 150-mile pipeline built to meet the transportation fuel needs of Central Ohio.
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2005
Marathon becomes 100 percent owner of Marathon Ashland Petroleum LLC and changes its name to Marathon Petroleum Company LLC.
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2008
Began construction on the Detroit Heavy Oil Upgrade Project (DHOUP). When completed in 2012, DHOUP will add another 400,000 gallons of clean transportation fuel to the market per day.
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2009
Completed a $3.9 billion Garyville, Louisiana refinery expansion that increased the plant’s capacity by 180,000 barrels per day and added 7.5 million gallons of clean transportation fuels to the market each day.
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2010
Sold the St. Paul Park Refinery and Speedway SuperAmerica Minnesota assets.
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2011
On June 30, 2011, Marathon Petroleum Company and Marathon Oil Company separated to become standalone companies, each with their own board of directors and stock.
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