Saudi Arabian Oil Company (Saudi Aramco)

Saudi Arabian Oil Company, known as Saudi Aramco, ranks #9 in November 2026 at $1.69 trillion to $1.70 trillion in market capitalization, gaining 10.8% in Saudi riyals in 2026 as of November 12. Headquartered in Dhahran, Saudi Arabia, and led by president and CEO Amin H. Nasser, the majority state-owned energy company traces its origins to 1933. Saudi Aramco is the sole energy firm in the top 10, holding more than 270 billion barrels of proven crude oil reserves and operating both the Ghawar onshore field and Safaniya offshore field. Over the trailing 12 months, it generated $513.8 billion in revenue and $282.2 billion in gross profit, while ramping up natural gas output at its Jafurah development and launching a $3 billion share buyback program in 2026.