IRPC Public Company Limited, together with its subsidiaries, engages in petroleum and petrochemical business in Thailand, Singapore, and internationally. It offers refinery, lubricant, asphalt, olefins, aromatics, and other petrochemical products; liquefied petroleum gas, naphtha, gasoline, diesel, and Jet A-1 commercial aviation fuel; and high density polyethylene, polypropylene, acrylonitrile-butadiene-styrene, acrylonitrile styrene, polystyrene, and expandable polystyrene. The company also offers port services and storage tank services; water based products; ultra-high molecular weight polyethylene; acetylene black; and power and public utilities services. In addition, it is involved in the provision of asset management activities; operation of vocational schools; sale of oil products and gas; manufacture and sale of non-woven fabric products and medical consumables; production and distribution of fertilizer products; operates water filtration plants; industrial pneumatic system; and power plant and other utilities businesses. 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.