Shell is seen as one of Marathon Oil's biggest rivals. Shell was founded in 1907 in London, England. Like Marathon Oil, Shell also operates in the Oil & Gas Exploration, Production, Sales sector. Shell generates $292.6B more revenue than Marathon Oil.
Chevron is one of Marathon Oil's top competitors. Chevron was founded in 1879, and its headquarters is in San Ramon, California. Like Marathon Oil, Chevron also operates in the Oil & Gas Exploration, Production, Sales space. Chevron has 42,119 more employees than Marathon Oil.