The Contract Owner: The Tehran Municipality, District 1
The Contract Owner: The Tehran Municipality, District 3
The Contract Owner: Private Sector
The Contract Owner: The Petropars Company
The Contract Owner: The Housing Foundation of Islamic Revolution
The Contract Owner: The Tehran Municipality, District 6
The Contract Owner: The Tehran Municipality, District 19
The Contract Owner: Tehran Municipality Management Fruit and Vegetables Organization
The Contract Owner: The Tehran Municipality Management Fruit and Vegetables Organization
The Contract Owner: Tehran Province Water and Wastewater, District 1