What Are the Biggest Oil & Gas Companies in Indonesia?
Indonesia's national crude oil output remains dominated by a select group of companies. The five biggest oil producers in Indonesia - who together account for 73.34 percent of the nation's total oil production - are Chevron Pacific Indonesia, ExxonMobil, Pertamina EP, Pertamina Hulu Mahakam, and the China National Offshore Oil Corporation (CNOOC).