PTT is a major Thai state-owned oil and gas company, one of the largest in Thailand. PTT operates businesses consisting of natural gas, gas transmission, international trading, new businesses and infrastructure businesses. It also invests in key sectors, including exploration and production, liquefied natural gas, petrochemicals and refining, oil and retail, power and utilities, and service-related industries, through its subsidiaries, joint arrangements and associated companies in the PTT Group. Its vision is “Together for a sustainable Thailand, sustainable world”. It strives for sustainable economic and social growth for Thailand through corporate governance-based operations.