Arsis Parsian Sazeh Consulting Engineers Co. (P.J.S) was incorporated in Tehran on July 15, 2012 under Registration No.427239 and national index 10320803410, by some managers, specialists and experts of brilliant experiences in the areas of study and execution of many great projects of road, railway, tunnel & bridge specific structures. On November 9, 2013 joined the Society of Iranian Consulting Engineers and In the same year, 2013 , obtained a certificate of competence in consulting services in the field of roads from the General Director Deputy of Tehran provincial government and obtaining the license of the Road and Transport Consultancy and Construction from the Technical and Construction Deputy of Tehran Municipality. In 2014, P.J.S obtained a certificate of competence in consulting services in the field of railways from the Deputy Director General of Construction Affairs of the Tehran Governorate. Also, in 2017, the plan and budget organization approved and certified the qualification in upgrading the road construction rank to rank 2 and obtaining a new rank in the building construction. During the six years since the company was founded, P.J.S has been able to utilize experienced experts with various expertise in studying and designing many construction, road and rail projects, non-level intersections and technical buildings inside and outside the country in which a summary of these projects can be found in the following sections of the current resume.