Aramco, also known as Saudi Arabian Oil Company, is a state-owned oil and gas company based in Dhahran, Saudi Arabia. It is one of the largest and most valuable companies in the world. Aramco is primarily involved in the exploration, production, refining, distribution, and marketing of petroleum and petrochemical products. Originally established in 1933, Aramco has played a significant role in the development of Saudi Arabia's oil industry. It is responsible for a substantial portion of the country's oil reserves and production. Aramco's operations extend beyond Saudi Arabia, with investments and partnerships in various countries around the world. In December 2019, Aramco went public with an initial public offering (IPO), making it the world's most valuable publicly traded company at the time. The company continues to be a major player in the global energy industry and has a significant impact on the global oil market.