Petrochemical Industries Investment Company – Petrochemical Industry Investment Company (PIIC) was established in 1991 as a public joint stock company (PJSC) with an aim of attracting public investment in petrochemical industry. PIIC was listed in Tehran Stock Exchange (TSE) in 1995 and currently operates under chemical products category in TSE. PIIC’s major shareholder is Ta’min Petroleum and Petrochemical Investment Company (TAPPICO) which is mainly owned by Social Security Investment Company (known as SHASTA). PIIC as the first petrochemical holding company in Iran has concentrated on production, technical & engineering and investment fields in the industry.