Building technology/ building services (building automation)Canal constructionConcrete worksDewatering worksEarthworksGeneral contractorsInsulationReinforced concrete worksRemediation worksStructural engineeringUnderground construction
BricklayingCanal constructionConcrete worksConstruction materialsDemolition worksDewatering worksEarthworksGeneral contractorsIndustrial construction and hall buildingPaving worksShellStructural engineeringTurn-key construction
Canal constructionCivil engineeringConcrete worksEarthworksGarden and landscape constructionNatural stone worksPaving worksPipeline constructionRoad constructionUnderground construction