- Business
- Thai Oil Public Company Limited (TOP-R.BK) operates as Thailand's leading integrated oil refinery and petrochemical company, refining crude oil into a broad portfolio of petroleum products including gasoline, diesel/gas oil, jet fuel, kerosene, fuel oil, and liquefied petroleum gas (LPG); petrochemicals such as paraxylene, benzene, toluene, and mixed xylenes; lube base oils; bitumen/asphalt; solvents for paints and mining; ethanol; linear alkyl benzene (LAB) for detergents; and specialty by-products like treated distillate aromatics extract and slack wax; while also generating and selling electricity, steam, and utilities from natural gas-fired combined-cycle co-generation power plants and investing in power businesses through subsidiaries such as TOP SPP Co., Ltd. and Global Power Synergy Plc. Founded in 1961 and headquartered in Bangkok, Thailand, with its primary refinery complex in Sriracha, Chonburi Province boasting a capacity of 275,000 barrels per day—one of the most efficient in the Asia-Pacific region—the company serves domestic and international markets across oil refining, petrochemicals, power generation, marine transportation, and related segments, primarily targeting industrial users, retailers, and the transportation sector while upholding sustainability through initiatives aligned with Dow Jones Sustainability Indices and FTSE4Good benchmarks. In recent developments, Thai Oil approved in September 2025 an asset monetization plan establishing a new subsidiary with PTT Tank (49% stake) for a 21-year leaseback of key infrastructure assets including crude oil storage tanks, single buoy mooring, and lorry loading stations in Si Racha, projected to generate over THB 18 billion in cash inflows to bolster financial position and capital recycling; advanced its Clean Fuel Project (CFP) with an additional THB 63 billion investment approved late 2024 to upgrade the Sriracha refinery for cleaner fuels and higher efficiency by Q3 2028, including a September 2025 engineering, procurement, and construction management contract awarded to Wood plc involving 480 experts; and earned multiple 2024-2025 accolades such as FTSE4Good Index inclusion, Alpha Southeast Asia Awards, Thailand Top CEO, Asian Excellence Awards, Sustainability Disclosure Award, and top CGR rating.