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Petróleos Mexicanos, which translates to Mexican Petroleum, but is trademarked and better known as Pemex, is the Mexican state-owned petroleum company, created in 1938 by nationalization or expropriation of all private, foreign, and domestic oil companies at that time. Pemex had total assets worth $415.75 billion, and was the world's second-largest non-publicly listed company by total market value, and Latin America's second-largest enterprise by annual revenue as of 2009, surpassed only by Petrobras. The majority of its shares are not listed publicly and are under control of the Mexican government, with the value of its publicly listed shares totaling $202 billion in 2010, representing approximately one quarter of the company's total net worth.