BricklayingConcrete worksGeneral contractorsIndustrial construction and hall buildingReinforced concrete worksRemediation worksSealing worksShellTurn-key construction
Building technology/ building services (building automation)Canal constructionConcrete worksDewatering worksEarthworksGeneral contractorsInsulationReinforced concrete worksRemediation worksStructural engineeringUnderground construction