Marathon Oil Corp. engages in the exploration, production, and market of liquid hydrocarbons and natural gas. It operates through the following segments: North America E&P, International E&P, and Oil Sands Mining. The North America E&P segment engages in the oil and gas exploration, development and production activities in the United States and Canada. The International E&P segment involves oil and gas exploration, development, and production activities in Angola, Equatorial Guinea, Ethiopia, Gabon, Kenya, the Kurdistan Region of Iraq, Libya, Norway, and the United Kingdom. The Oil Sands segment includes mining, extracts and transports bitumen from oil sands deposits in Alberta, Canada, and upgrades the bitumen to produce and market synthetic crude oil and vacuum gas oil. The company was founded in 1887 and is headquartered in Houston, TX.