Façade worksPlumbing and sheet-metal workRemediation of hazardous substances / Asbestos abatementRemediation worksWaste disposalWindowsWooden construction
Building technology/ building services (building automation)Data network worksDoors and gatesElectrical installationFire protectionFlooring worksGeneral contractorsHeatingLighting systemsRemediation worksSafety technologySanitarySolar protection and dimming constructionsTiles and panelsWindows