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