Pemex (Petróleos Mexicanos, or Pemex) is Mexico's national oil company and one of the world's top ten oil companies. Founded in 1938 by then-President Lázaro Cárdenas, it is considered the world's seventh-largest polluter by the British newspaper The Guardian.

Pemex is Mexico's largest oil and petrochemical company and one of the largest state-owned enterprises in Latin America. Headquartered in Mexico City, Pemex achieved sales of $11.03 billion in 1986, ranking 40th among the world's largest industrial companies excluding the United States. It also boasts assets of $30.92 billion and employs 156,000 people.
Pemex primarily engages in oil exploration, refining, marketing, and petrochemicals. It owns dozens of refineries and numerous chemical plants, including the Egrejera Petrochemical Complex, the largest in Latin America. Its petroleum products are exported to over 20 countries, including Europe, America, and Japan.
Company name: Pemex.
Official domain: pemex.com
Domain created: June 22, 1995.
Country: Mexico.
Headquarters: Mexico City, Mexico.
Founded: 1938.
Founder: Lázaro Cárdenas.