BricklayingCanal constructionConcrete worksConstruction materialsDemolition worksDewatering worksEarthworksGeneral contractorsIndustrial construction and hall buildingPaving worksShellStructural engineeringTurn-key construction
Cable layingCanal constructionConcrete worksConstruction materialsEarthworksGeneral contractorsIndustrial construction and hall buildingOutdoor facilitiesRoad constructionShellUnderground construction