Air conditioningBuilding technology/ building services (building automation)Gas installationHeatingIndustrial construction and hall buildingRefrigerationRemediation worksSanitaryVentilation
Air conditioningBuilding technology/ building services (building automation)Façade worksFire protectionIndustrial construction and hall buildingInsulationInsulation technologyPlant engineeringRefrigeration
Building technology/ building services (building automation)Canal constructionElectrical installationHeatingPipeline constructionRemediation worksSanitary