Udon Thani Provincial Irrigation Office

Regional Irrigation Office 5

Loei Provincial Irrigation Office

Regional Irrigation Office 5

Sakon Nakhon Provincial Irrigation Office

Regional Irrigation Office 5

Nong Bua Lam Phu Provincial Irrigation Office

Regional Irrigation Office 5

Nong Khai Provincial Irrigation Office

Regional Irrigation Office 5

Bueng Kan Provincial Irrigation Office

Regional Irrigation Office 5

Khon Kaen Provincial Irrigation Office

Regional Irrigation Office 6

Kalasin Provincial Irrigation Office

Regional Irrigation Office 6

Chaiyaphum Provincial Irrigation Office

Regional Irrigation Office 6

Maha Sarakham Provincial Irrigation Office

Regional Irrigation Office 6

Roi Et Provincial Irrigation Office

Regional Irrigation Office 6

Nakhon Phanom Provincial Irrigation Office

Regional Irrigation Office 7

Mukdahan Provincial Irrigation Office

Regional Irrigation Office 7

Amnat Charoen Provincial Irrigation Office

Regional Irrigation Office 7

Ubon Ratchathani Provincial Irrigation Office

Regional Irrigation Office 7