The Saudi Arabian Oil Company (Saudi Aramco) is the state-owned oil company of the Kingdom of Saudi Arabia. It ranks first among oil companies worldwide in terms of crude oil production and exports, and natural gas liquids (NGL) exports, and is among the leading producers of natural gas. Saudi Arabia has stewardship over the world's largest oil reserves 'roughly one fifth of the global total' at nearly 260.1 billion barrels. Saudi Aramco is a fully integrated oil company with operations in exploration, production, refining, marketing and international shipping. Saudi Aramco employs more than 55,000 workers and is headquartered in Dhahran in the Eastern Province. Operations span the Kingdom, with production and product distribution facilities linking all market areas. Major export shipping terminals are located at ports on the Arabian Gulf and Red Sea,strategic refineries meet local demand for automotive and aviation products.