Lorestan Regional Water Company 

Iran Water and Power Resources Development Company 

Lorestan Agricultural Jihad Organization 

Iran Water Resources Management Company

Kermanshah Regional Water Company  

Jihad Nasr Institute 

Kermanshah Agricultural Jihad Organization

Tehran Regional Water Company 

Beeston Pars Plantation and Industry Company

Tehran Municipality Organization

Kohkiloueh Boyer Ahmad Regional Water Company  

Petro Sina Aria Company

Alborz Regional Water Company 

Petrotadbir Pars Company

Ilam Regional Water Company 

Petropaydar Iranian Company

Ilam Agricultural Jihad Organization

Sistan-Baluchestan Regional Water Company 

Fars Regional Water Company 

Sistan and Baluchestan Agricultural Jihad Organization

Eastern Azarbayjan Regional Water Company 

Sistan and Baluchestan Water and Wastewater Company

Ardabil Regional Water Company

Bushehr Regional Water Company  

Kurdistan Regional Government of Iraq Regional Water Company

Bushehr Agricultural Jihad Organization

Zahedan Municipality Organization 

Zanjan Regional Water Company