- Business
- Thai Oil Public Company Limited (TOP) engages in the refining, marketing, and distribution of petroleum products and petrochemicals in Thailand and internationally. The company operates through three main segments: Refinery Business, which produces gasoline, diesel, jet fuel, fuel oil, liquefied petroleum gas, and asphalt; Petrochemical Business, encompassing paraxylene, benzene, toluene, mixed xylenes, and ethylene oxide; and Lube Business, offering lubricants under the TOP and 777 brands. It also provides power generation, marine transportation, and pipeline services supporting its integrated operations.
Founded in 1964 and headquartered in Bangkok, Thailand, Thai Oil maintains refineries with a combined capacity exceeding 275,000 barrels per day at Sriracha and additional facilities, serving domestic retail networks, industrial customers, and export markets across Asia. The company targets fuel retailers, aviation, manufacturing sectors, and petrochemical consumers, with subsidiaries handling solvent production and international trading.
In recent developments, Thai Oil formed a strategic alliance with Thailand's PTT Group for clean energy transitions and advanced a major refinery upgrade project to enhance high-value product yields and sustainability compliance as of 2024. The company secured funding for green hydrogen initiatives and expanded petrochemical capacities amid 2025 market shifts toward low-carbon fuels.