What Is Petroleum
Saudi Aramco is the state-owned domestic oil company of the Kingdom of Saudi Arabia. Aramco is an acronym for the Arabian American Oil Company.
It is probably the world's biggest company in terms of verified petroleum reserves and output. The company's headquarters is located in Dhahran, Saudi Arabia.
The National Iranian Oil Company is believed to be the second biggest petroleum company in the world. It was founded in 1948 and is involved with the exploration, production and sales of petroleum and natural gas. Its main office is in Tehran, the capital of Iran.
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