Petrochemical Industries Investment Company - Petrochemical Industries Investment Company is a specialized multi-discipline holding that was formed in 1992 with the use of management power and with the aim of people's participation in investment matters. Investment of Petrochemical Industries in 1373 as the first private investment company of Petrochemical Industries and one of the largest holdings started its previous activities and now after 28 years since the start of activities by employing specialists and facilities for implementing short-term planning between to become one of the largest holdings in the long term. The activity of this company consists of 3 production, technical and engineering services and investment. The major shareholders of this company are Social Security Investment Company (Shasta) and Oil, Gas and Petrochemical Investment Company (Tapico).