Marathon Oil Corporation, based in Houston, is an independent exploration and production company focused on significant oil-rich resource plays in the U.S. and international operations in Equatorial Guinea. Their stock trades on the New York Stock Exchange under the ticker symbol MRO.
Marathon Petroleum Corporation, headquartered in Findlay, Ohio, is a leading integrated downstream energy company with the nation's largest refining system and branded retail outlets across the United States. They also own a majority interest in MPLX LP, a midstream company with various energy infrastructure assets.
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