Directorate of Development and Substructure, working on the modernization of Ostim Organized Industry Zone’s continuously changing structure, conducts the activities of scale, road elevation, incorporation, reconstruction plans, construction licenses, occupancy permits, building audits and intervention to illegal and inappropriate buildings; and besides, construction and repair works for pavement works, road, rainwater lines, sewage water and potable pipelines are conducted by ASKİ (Ankara Water and Sewerage Authority).