BricklayingConcrete worksEarthworksGeneral contractorsHydraulic engineeringIndustrial construction and hall buildingOutdoor facilitiesPaving worksPool constructionStair constructionStructural engineeringUnderground construction
BricklayingConcrete repairConcrete worksDemolition worksDewatering worksEarthworksGeneral contractorsIndustrial construction and hall buildingInsulationLightning protectionPaving worksReinforced concrete worksScaffoldingSealing worksShellStructural engineeringTurn-key constructionUnderground construction