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 refinery, lubricant, olefins, aromatics, plastic resins, and other petrochemical products. It also generates and distributes electricity, power, steam, industrial water, and air systems; and wastewater treatment services for industrial customers. In addition, the company offers port services and storage tank services. Further, it is involved in the provision of asset management; manufacture and distribution of plastic resins; operation of vocational schools; production and distribution of nonwoven fabric products and medical consumables; offers engineering consultancy services; and distribution of petrochemical products, as well as engages in the oil vessel renting and producing and distributing of fertilizer products. 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.