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
BricklayingConcrete worksDewatering worksDrainage worksEarthworksFlooring worksInsulationNatural stone worksPaving worksSealing worksSteel construction