Supervision Services-Execution Of Works Modernization Of The Road Network In The Northern Area Of Arad County: Lot 1 "Execution Of Works Modernization Of Dj 709 Șicula–Gurba–Cermei", Lot 2 Execution Of Works Modernization Of Dj709 Cermei Limita Of Bihor County, Lot 3 Execution Of Works Modernization Of Şepreuș–Cermei, Lot 4 Execution Of Works Modernization Of Dj793 Cermei Beliu, Lot 5 Execution Of Works Rehabilitation Dj794 Mișca-Apateu-Berechiu