Tunnels
Tehran city and Suburbs Train Organization
Ministry of Roads and Urban Development
Roads and Urban Development Administration of East Azarbaijan Province
Roads and Urban Development Administration of West Azarbaijan Province
Roads and Urban Development Administration of Hormozgan Province
Roads and Urban Development Administration of Qazvin Province
Roads and Urban Development Administration of Fars Province
Roads and Urban Development Administration of Bushehr Province
Specialized Parent Company of Development of New Cities in the Country
Specialized Parent Company of Iran’s Governmental Commerce
City Renovation Organization of Tehran
Defense Industries Organization, Group of Ammunition Manufacturers
Qazvin Municipality Design Services Organization
Tehran Tadbir Baft Company
Khak Riz Ab Company
