PTT Exploration and Production Public Company Limited 

PTT Exploration and Production Public Company Limited (PTTEP), operating with its various subsidiaries, is primarily engaged in the global exploration and extraction of petroleum resources, with activities both in Thailand and internationally. Beyond its core upstream operations, the company's business interests extend to gas pipeline infrastructure, investment funding, and the provision of specialized technology for the petroleum industry. It also offers human resource support and treasury services. Furthermore, PTTEP participates in wider technology development, solar power generation, and other renewable energy projects. Founded in 1985, the company's main office is located in Bangkok, Thailand. Notably, PTTEP functions as a subsidiary of PTT Public Company Limited.