Building technology/ building services (building automation)Dry constructionGas installationHeatingPlant engineeringRemediation worksRenewable energiesSanitarySolar panelsTiles and panelsVentilation
Air conditioningBuilding technology/ building services (building automation)Electrical installationHeatingRefrigerationRemediation worksSanitarySolar panelsVentilation
Canal constructionDemolition worksDredgingDrillingEarthworksProcessing of building materialsRemediation of hazardous substances / Asbestos abatementRemediation worksRenaturationUnderground construction