The organization that controls most of the world's oil production is OPEC, which stands for Organization of the Petroleum Exporting Countries.
According to investopedia, "OPEC is a cartel that aims to manage the supply of oil in an effort to set the price of oil on the world market, in order to avoid fluctuations that might affect the economies of both producing and purchasing countries."
Exxon is a large oil and gas company.
The European Union is political and economic European based group. The United Nations is global organization aimed at helping its members work together in a peaceful manner to maintain order around the world.
ANSWER: OPEC
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