Marathon Petroleum Corp. is an independent company, which engages in the refining, marketing, and transportation of petroleum products in the United States. The company is headquartered in Findlay, Ohio and currently employs 18,200 full-time employees. The company went IPO on 2011-06-23. The firm operates through two segments: Refining & Marketing and Midstream. The Refining & Marketing segment refines crude oil and other feedstocks, including renewable feedstocks, at its refineries in the Gulf Coast, Mid-Continent and West Coast regions of the United States. The firm sells refined products to wholesale marketing customers domestically and internationally, to buyers on the spot market, to independent entrepreneurs who operate primarily Marathon branded outlets and through long-term supply contracts with direct dealers who operate locations mainly under the ARCO brand. The Midstream segment gathers, transports, stores and distributes crude oil, refined products, including renewable diesel, and other hydrocarbon-based products principally for the Refining & Marketing segment via refining logistics assets, pipelines, terminals, towboats and barges, and others.