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The desert kingdom has around 16% of the worldâs proven oil reserves and is the biggest global exporter of petroleum liquids. There is little doubt as to why its national oil company, Saudi Aramco, the biggest energy company in the world, generates over $1 billion in revenue every single day.
Chevron is the worldâs third largest company according to the Fortune Global 500 in 2014. Chevron is the direct descendant of Standard Oil Company and was established after the merging of Standard Oil of California and Gulf Oil in 1984. John S. Watson currently serves as the CEO of the company.