PTT PCL Thailand
- Country: Thailand
- Type: Commercial
- Website: www.pttplc.com
- Update: 05-02
PTT Public Company Limited (PTT PCL), Thailand's state-owned oil and gas company and the country's largest energy company, formerly known as Petroleum AuThority of Thailand (PTT), owns extensive submarine gas pipelines in the Gulf of Thailand. undersea gas pipelines in the Gulf of Thailand. It was ranked 180th on Forbes' 2014 Global 2000 list.