PETRONAS (Petroliam Nasional Berhad) is Malaysia's fully integrated oil and gas multinational ranked among the largest corporations on FORTUNE Global 500®. Established in 1974, PETRONAS now has a presence in more than 65 countries and operates among the top oil and gas companies in the world. Steadily driving new solutions and pushing boundaries, we add value to oil and gas resources in a manner that carefully balances commercial, environmental and social considerations.