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What You Need to Know about the World’s Largest Oil Companies


May. 28 2019, Published 10:32 a.m. ET


Based on market capitalization, ExxonMobil (XOM) is the world’s largest publicly listed oil and gas company. Its market capitalization currently stands at $320 billion. Though Saudi Aramco is the largest oil company in the world, it isn’t a listed company. Based on revenue, ExxonMobil is the fifth largest listed oil company. It had a total revenue of $279 billion in 2018. The company had total proved reserves of 24.3 billion oil-equivalent barrels at the end of 2018 with a reserves life of 17 years at its current production rates.

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China Petrochemical, or Sinopec Group (SNP), is the largest listed oil and gas company by revenue. Its 2018 revenue stood at a massive $420 billion. In terms of market capitalization, however, it’s behind some of the top companies including ExxonMobil, Royal Dutch Shell (RDS.A), Chevron (CVX), PetroChina (PTR), BP (BP), and Total SA (TOT).

Royal Dutch Shell

With a market capitalization of ~$262 billion, Royal Dutch Shell follows ExxonMobil as the largest listed oil and gas company. It is the second-largest company by revenue as well. Shell Group’s headquarters are in the Netherlands. The parent company, Royal Dutch Shell, is incorporated in England and Wales.

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Chinese oil company PetroChina is the fourth largest oil and gas company by market capitalization, though it is the third largest in terms of revenue. Its 2018 revenue stood at ~$342 billion, roughly double that of Chevron. State-owned China National Petroleum Corporation is PetroChina’s controlling shareholder.


BP is the fifth largest oil and gas company by market capitalization and fourth largest in terms of revenue. Its current market capitalization is less than half of that of ExxonMobil. However, its 2018 revenue exceeded that of ExxonMobil’s. Interestingly, ExxonMobil’s profit for the year was more than double that of BP’s.


Chevron is the third largest listed oil and gas company based on market capitalization, though its much smaller in terms of revenue. Chevron’s 2018 revenue stood at $159 billion. Read The World’s Top Oil-Producing Countries for more information.


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