Civil engineeringEnvironmental engineeringHydraulic engineeringIndustrial construction and hall buildingRoad constructionStructural engineeringTraffic safety
Bridge constructionCivil engineeringDrillingIndustrial construction and hall buildingPlant engineeringReinforced concrete worksSpecialised civil engineering workUnderground construction
Canal constructionCivil engineeringEarthworksGeneral contractorsIndustrial construction and hall buildingRemediation worksStructural engineeringTurn-key constructionUnderground construction