• AKPC (Amir Kabir Petrochemical Corporation)
• ARPC (Arak Petrochemical Corporation)
• Association of Plastic Industries
• BIPC (Bandar Imam Petrochemical Company)
• BISPC
• Borzouyeh Petrochemical Company
• Buali Sina Petrochemical Company
• EPC Iran (Esfahan Petrochemical Company)
• Fajr Company
• Fanavaran Petrochemical Company
• Farabi Petrochemical Company
• Iran Association of Hygienic Cellulose Industries
• Iran Carbon
• Iranian Association of Detergent, Hygienic & Cosmetic Industries
• Iranian Oil, Gas & Petrochemical Products Exporters Association
• Jam Petrochemical Complex
• KPCO (Kharg Petrochemical Co)
• KZPC (Khuzestan Petrochemical Company)
• Laleh Petrochemical Co
• Karoon Petrochemical Co
• Motor Oil Association
• MPC (Maroun Petrochemical Company)
• Naft Kala
• National Iranian Oil Company
• Oil Product Export Development Fund of Iran
• Paint & Resin Manufacturers Association of Iran
• Pars Petrochemical Company
• RPCO (Razi Petrochemical Co)
• Society of Iranian Petroleum Industries Equipment Manufacturers
• STPC (Shahid Tondgoyan Petrochemical Company)
• The Cooperative Company For Paints & Related Products Manufacturers
• TPCO (Tabriz Petrochemical Co)
• UPC Iran (Urmia Petrochemical Company)
• Veterinary Pharmaceutical Manufacture Syndicate (VPMS)
• ZPC Iran (Zagros Petrochemical Company)