Mexico's state oil company Petróleos Mexicanos (PEMEX) is engaged in the exploration, production, transportation, refining, storage and sale of hydrocarbons and derivatives. Its products include petrochemicals, natural gas, liquid gas, sulphur, gasoline, kerosene, and diesel.
Mexico nationalized its oil sector in 1938, and Petróleos Mexicanos was created as the sole oil operator in the country. PEMEX is the largest company in Mexico and one of the largest oil companies in the world. The energy sector is regulated by the Secretaría de Energía (SENER), while the Comisión Nacional de Hidrocarburos (CNH) provides additional oversight of PEMEX and its oil and gas activities.
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