Saudi Aramco-12.5 million barrels per day
Saudi Aramco is by far the biggest energy company in the world, generating more than $1 billion a day in revenues.
Founded back in 1933, Saudi Aramco has truly come a long way. In the latest Financial Times report, the company value was estimated at a whopping $10 trillion, making it not only the biggest oil company, but the world’s biggest company in general. With largest proven crude oil reserves of 260 billion barrels, it is bound to keep running for a long time.
Officially known as Saudi Arabian Oil Company, Saudi Aramco currently employs a number of over 56,000 workers, generating a dizzying revenue of about $1 billion per day. The company is also named as the owner of Ghawar Field, the biggest oil field in the world, as well as the Shaybah Field, also ranked in the very top.