PTTEP (PTT Exploration and Production Public Company Limited) is a national petroleum exploration and production company based in Thailand. Established in 1985, it operates over 50 projects across more than 10 countries, including Thailand, Southeast Asia, the Middle East, Africa, the Americas, and Australia. PTTEP specializes in the exploration and production of petroleum resources such as crude oil, natural gas, condensate, and liquefied petroleum gas (LPG).

In addition to its core business, PTTEP invests in renewable energy and advanced technologies aimed at reducing greenhouse gas emissions. The company emphasizes innovation to enhance operational efficiency and sustainability. Key projects include major petroleum fields in Thailand and international operations in Algeria, Malaysia, Oman, Abu Dhabi, and Mozambique. PTTEP is committed to corporate governance and environmental responsibility, aiming for net zero greenhouse gas emissions by 2050.