Cable layingCanal constructionConcrete worksConstruction materialsEarthworksGeneral contractorsIndustrial construction and hall buildingOutdoor facilitiesRoad constructionShellUnderground construction
Building technology/ building services (building automation)Canal constructionConcrete worksDewatering worksEarthworksGeneral contractorsInsulationReinforced concrete worksRemediation worksStructural engineeringUnderground construction