5 Biggest Oil Companies in USA

3. Marathon Petroleum (NYSE:MPC)

Total revenue of the company in 2019 (in millions of dollars): 124,813

Total profits of the company in 2019 (in millions of dollars): 2,637

Total assets of the company in 2019 (in millions of dollars): 98,556

Total employees of the company in 2019: 60,910

Marathon Petroleum used to be a subsidiary of Marathon Oil, before becoming a spin-off back in 2011. The company is currently headquartered in Ohio and has at least 6,900 retail outlets which are independently owned as well as 1,100 direct dealer locations.

Marathon Petroleum Corp (NYSE:MPC)