Pemex

  Mexico

Petróleos Mexicanos (Pemex) is a Mexican state oil and gas and petrochemical company. In 2014, it was the 10th largest oil company in terms of revenue for the year and ranked 36th in the Fortune magazine’s Global 500 2014 ranking.

Key figure: Octavio Romero Oropeza
Founded: 1938 | Number of employees: 138 215