Saudi Aramco was the first energy-sector company to reach a US$2 trillion market capitalization, a milestone it first approached after its 2019 public listing and revisited during the 2022 energy-price surge.
The company’s valuation was supported by high oil prices, strong earnings, and its position as one of the largest crude-oil producers in the world. Saudi Aramco also operates refining, chemicals, gas, and distribution businesses, giving it exposure across much of the petroleum value chain.
Market capitalization changes whenever the company’s share price changes, so the precise ranking can vary by date. Saudi Aramco’s shares trade primarily on the Saudi Exchange, and its valuation is often converted into U.S. dollars for international comparisons. Currency movements can therefore affect comparisons even when the local share price is unchanged.
Saudi Aramco is distinct from the Saudi government, which retains majority ownership. It is also distinct from the wider Organization of the Petroleum Exporting Countries, an intergovernmental group rather than a company. These distinctions help explain why the company can be compared with publicly traded energy corporations.