Air conditioningBuilding technology/ building services (building automation)Gas installationHeatingPlant engineeringPlumbing workRemediation worksSanitarySolar panelsStoves and fireplacesVentilation
Canal constructionEarthworksInsulation technologyNatural stone worksOutdoor facilitiesPaving worksRemediation worksShellStair constructionTiles and panelsTurn-key construction
Agricultural buildingCanal constructionDry constructionEarthworksGeneral contractorsIndustrial construction and hall buildingPaving worksRemediation worksStructural engineeringTurn-key constructionUnderground construction