Saudi Aramco is a state-owned oil and gas company based in Saudi Arabia and is one of the largest companies in the world by revenue. The company was founded in 1933 and is responsible for the exploration, production, and distribution of oil and natural gas from the Kingdom of Saudi Arabia. Aramco has operations in a number of countries around the world, including the United States, China, and Japan, and is involved in a range of activities including refining, petrochemicals, and power generation.