BricklayingCanal constructionDewatering worksEarthworksGeneral contractorsIndustrial construction and hall buildingOutdoor facilitiesPaving worksReinforced concrete worksShellStructural engineeringTurn-key construction
Construction materialsDredgingEarthworksEnvironmental engineeringIndustrial construction and hall buildingPainting worksPlasteringStructural engineeringStuccoesTurn-key constructionUnderground construction