BricklayingFire protectionGeneral contractorsIndustrial construction and hall buildingReinforced concrete worksShellStructural engineeringTurn-key constructionUnderground construction
Canal constructionDemolition worksEarthworksEnvironmental engineeringGarden and landscape constructionGeneral contractorsHydraulic engineeringIndustrial construction and hall buildingRoad constructionSewage treatment plantsStructural engineeringUnderground construction