Air conditioningBuilding technology/ building services (building automation)CleaningElectrical installationHeatingPipeline constructionSanitaryVentilation
Building technology/ building services (building automation)Electrical installationGas installationHeatingRenewable energiesSanitarySolar panelsVentilation
Building material testingConstruction materialsDewateringEarthworksEnvironmental protectionExploratory drillingGeotechnical investigationsRammed core drillingVentilation