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Also known as "Oxy," Occidental Petroleum is an international oil producer and petrochemical manufacturer.
Callaghan O'Hare—Bloomberg via Getty Images
Lists ranking Occidental Petroleum
Fortune 500 - 2021This year’s Fortune 500 marks the 67th running of ...READ MOREview in list
World’s Most Admired Companies - 2021After a year in which humanity leaned more heavily...READ MOREview in list