It is the second-largest oil company in the world with annual revenue of 455.499 billion dollars. Sinopec is a state-owned Chinese oil company in Beijing. The company has a worldwide presence for exploration and distribution. The company produces other products such as petroleum, natural gas, and petrochemicals.

It has the largest oil reserves in the world and earns a revenue of around 465 billion US dollars a year. It was founded in 1933 as the California-Arabian Standard Oil Company and renamed in 1988 as the Saudi Aramco. Its headquarters are located in Dhahran, Saudi Arabia. Saudi Aramco is the world's largest oil company. The Five Biggest Oil Companies In The World Saudi Aramco In 2007, the US alone consumed 25% of the oil produced in that year. The world is consuming 30 billion barrels of oil annually, with the developed countries leading. Petroleum is critical to industries, and it is highly vital to maintaining and running industrial civilization as it is today. Unfortunately, in their exploration and daily business, these oil companies leave a negative impact on the environment, especially from the release of gasses that are responsible for global warming and ultimately climate change. In 2017, it reported a revenue of $465.49 billion US dollars. The largest oil company in the world is the Saudi Arabia-based Saudi Aramco. Since most world economies are reliant on carbon energy forms, petroleum, and petroleum products fetch good prices earning the countries revenue and providing employment to citizens and expatriates. These industries export oil to different countries around the world. Oil industries are a major income earner for countries with oil fields.

Sizewise worldwide