Canal constructionCivil engineeringConcrete worksDewatering worksEarthworksIndustrial construction and hall buildingPipeline constructionRoad constructionSpecialised civil engineering workStructural engineeringUnderground construction
Cable layingCleaningConstruction dryingDewatering worksDrainage worksEarthworksFencingNatural stone worksPaving worksPipeline constructionRoad constructionSewage treatment plantsTiles and panelsUnderground construction