Building technology/ building services (building automation)CleaningElectrical installationGas installationHeatingRenewable energiesSanitarySolar panels
Air conditioningBuilding technology/ building services (building automation)Façade worksFire protectionIndustrial construction and hall buildingInsulationInsulation technologyPlant engineeringRefrigeration
Building technology/ building services (building automation)Communication technologyData network worksDoors and gatesElectrical installationLighting systemsRemediation worksSolar protection and dimming constructions