State Government in Duncan, OK Human Services Dept1805 W Plato RdDuncan, OK, 735335802518300Government OfficesJefferson County ClerkJefferson County Healthcare AssociatesState Of Oklahoma Department Of Corrections Oklahoma-State Department of Corrections118 S 11th StDuncan, OK, 735335802551010AttorneysCity OfDui Attorneys InGovernment OfficesLawyersState Of Oklahoma Department Of Corrections Show More