Canal constructionGarden and landscape constructionHeatingIndustrial construction and hall buildingPipeline constructionPlant engineeringRoad constructionSanitaryTransport servicesUnderground constructionVentilation
Civil engineeringConcrete worksDrillingEarthworksHydraulic engineeringIndustrial construction and hall buildingPlant engineeringSewage treatment plantsShellSpecialised civil engineering workStructural engineeringTurn-key constructionUnderground construction
Air conditioningBuilding technology/ building services (building automation)Electrical installationHeatingPlant engineeringSanitarySolar panelsVentilation