IRPC Public Company Limited, together with its subsidiaries, provides petroleum and petrochemical products in Thailand, Singapore, and internationally. The company operates through Petroleum Products, Petrochemical Products, and Other Business segments. It offers petroleum products, including liquefied petroleum gas, naphtha, gasoline, diesel, and fuel oil; lube base oil and asphalt; petrochemical products, such as olefins, such as ethylene, propylene, and butadiene; aromatics comprising benzene, toluene, and mixylene; polymers consisting of high-density polyethylene, polypropylene, acrylonitrile-butadiene-styrene, acrylonitrile styrene, polystyrene, and expandable polystyrene; and polyols. It also provides electricity, steam, and infrastructure, including wastewater treatment and other related services to industrial clients. In addition, the company offers port and tank services, such as tug boats, port pilots, service boats, mooring, freshwater, bunkers, nautical charts, cranes, hopper cars, weighing, cargo yards, and warehouses, as well as operates bulk and container, liquid and chemical, and oil-cargo terminals. Further, it is involved in the provision of asset management and oil vessel renting services; manufacture and distribution of plastic resins; operation of vocational schools; and distribution of petrochemical products, as well as power plant, jetty, and other utilities operations. The company was formerly known as Thai Petrochemical Industry Public Company Limited and changed its name to IRPC Public Company Limited in October 2006. IRPC Public Company Limited was incorporated in 1978 and is headquartered in Rayong, Thailand.