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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.
However, the fact remains that the industry has produced some of the largest companies in known history. Our list of the top 10 oil and gas companies in the world by revenue. 10. OJSC Lukoil Revenue (2014): $144.17 billion Country of Origin: Russia Founded: 1991 Employees: 150,000