1, Saudi National Oil Company
Saudi Arabian National Oil Company was established in 1988, and its headquarters is in Dalam, Saudi Arabia. It is the only company in Saudi Arabia engaged in oil exploration and development. At present, Saudi Arabian National Oil Company is the largest oil production company and the sixth largest oil refining company in the world, with operations all over the Kingdom of Saudi Arabia and all over the world. Mainly engaged in oil exploration, development, production, refining, transportation and sales, with the world's largest onshore oil fields and offshore oil fields. In terms of revenue, manpower and assets, this company is the largest oil company in the Middle East.
2. Iranian National Oil Company
The Iranian National Oil Company was established in 195 1 and headquartered in Tehran, representing the Iranian government in charge of all aspects of the oil industry. The company has six subsidiaries, namely Iranian National Offshore Oil Company, Drilling Company, Tanker Company, Petroleum Products Company, Kara Co., Ltd. and National Petroleum Engineering and Development Company. There is also a Naftiran international trading company affiliated to Iran National Oil Company. The company's business scope includes oil exploration, development and production, oil refining, etc.
3. ExxonMobil Corporation
ExxonMobil Company, formerly known as Exxon and Mobil respectively, merged and reorganized on1October 30th, 1999, 165438. The company is also the parent company of Exxon, Mobil and Esso's global branches. In addition, ExxonMobil, Shell and BP are the three largest oil companies in the world. Founded in 1882, Exxon is the largest oil company in the United States and one of the seven oldest oil companies in the world. ExxonMobil is a comprehensive multinational company integrating oil exploration, oil refining and petrochemical industry.
4. Venezuelan oil company
Venezuela's national oil company, PDVSA for short, was established on August 30th, 1975. It is the largest state-owned enterprise in Venezuela and the largest enterprise in Latin America. Venezuelan oil company is a multinational energy company, engaged in business and commercial operations at home and abroad, including: oil and gas exploration, development, refining, transportation and javascript: distribution, as well as Orimulsion, chemical, petrochemical and coal industries.