Petro + Competitors

Marathon Petroleum Corporation (MPC) is a leading, integrated, downstream and midstream energy company headquartered in Findlay, Ohio. The company operates the nation's largest refining system. MPC's marketing system includes branded locations across the United States, including Marathon brand retail outlets. MPC also owns the general partner and majority limited partner interest in MPLX LP, a midstream company that owns and operates gathering, processing, and fractionation assets, as well as crude oil and light product transportation and logistics infrastructure. More information is available at www.marathonpetroleum.com.

As a leading integrated downstream energy provider, we power the operations that keep life moving forward. Our products enable a world that never quits and can’t afford to slow down. For everyone with a plan and the drive to make it happen, we Bring the Go.

Valero is an international manufacturer and marketer of transportation fuels and petrochemical products. We are a Fortune 50 company based in San Antonio, Texas, fueled by nearly 10,000 employees and 15 petroleum refineries with a combined throughput capacity of approximately 3.2 million barrels per day. We also proudly operate 12 ethanol plants in the Mid-Continent of the U.S., with a combined production capacity of 1.6 billion gallons per year. Our petroleum refineries are located in the United States, Canada and the United Kingdom. Valero also is a joint venture partner in Diamond Green Diesel, which operates a renewable diesel plant in Norco, Louisiana. Diamond Green Diesel is North America’s largest biomass-based diesel plant. Valero sells its products in the wholesale rack or bulk markets in the U.S., Canada, the U.K., Ireland and Latin America. Approximately 7,000 outlets carry Valero’s brand names. Visit www.valero.com for more information, and click 'Careers' to explore opportunities!