PTT is the largest corporation in Thailand and also the only company from Thailand listed in Fortune Global 500 companies. The company ranks 81st among top 500 on the Fortune 500, and 180 on the Forbes 2000.
1978–present[]
PTT was founded in 1978 (as Petroleum Authority of Thailand) as a state-owned enterprise, under Prime Minister General Kriangsak Chomanan's government. It was formed by a coupling between Thai Fuel Organization under Defense Energy Department and Thai Natural Gas Organization under Ministry of Industry. PTT was register stock trading by Ministry of Finance is major shareholder in 2004 (as PTT Plc.)
2008–present[]
Thai variant
40th anniversary logo (2018)
.svg "PTT (2023, 45th anniversary).svg (31 KB)")
45th anniversary logo (2023)