Parsian Oil and Gas Development Group started its activity in 2008, in the direction of a professional view of the oil, gas, and petrochemical industry and through a specialized holding in this field. During this period, it obtained valuable achievements using a fully expert collection. This group focused all of its power on investment development in the oil, gas, and petrochemical field from 2008. This company was turned into the largest petro-refinery holding in the country by attending to the ownership structure of large and prominent petrochemical and refining companies and by modifying and progressing the production structures and execution of the development plans in these companies.