Tabriz Petrochemical Company (TPC), established in 1990, operates a large production complex at Tabriz city suburb in north-west of Iran. The complex encompasses an area of 391 hectares at an altitude of 1362 metres above the sea level and is situated adjacent to Tabriz Refinery. Operating since1996, it mainly produces raw plastics such as polyethylenes, polystyrenes and ABS. The main feedstock for the complex is light and heavy naphtha and Liquefied Petroleum Gas (LPG).Major portion of the feedstock is supplied by Tabriz Refinery and the rest by Tehran Refinery through pipeline and petrochemical companies at southern Iran by truck. The water needed for the complex is supplied by the urban water network. TPC produces entire electrical power needed for its operation . The Complex consists of several production units and some utility units. The Olefins plant which acts as the mother unit of the Complex and supplies the feedstock to other units was commissioned in January 1996 and the latest unit of the Complex ( Hydrogenation of C4/C5 )in May 2013. TPC is a Public Limited Liability Company ( PLC ) whose main shareholder is Tabriz Oil Refining Company that operates Tabriz Refinery.