Asphalt worksCanal constructionGeneral contractorsIndustrial construction and hall buildingPaving worksRoad constructionSewage treatment plantsShellStructural engineeringUnderground construction
Cable layingCanal constructionConcrete worksConstruction materialsEarthworksGeneral contractorsIndustrial construction and hall buildingOutdoor facilitiesRoad constructionShellUnderground construction
Asphalt worksDredgingEarthworksGarden and landscape constructionGeneral contractorsReinforced concrete worksStructural engineeringUnderground construction