Air conditioningBuilding technology/ building services (building automation)Electrical installationGas installationHeatingRemediation worksRenewable energiesSanitarySolar panelsTiles and panelsVentilation
Agricultural buildingDry constructionIndustrial construction and hall buildingPaving worksRemediation worksStructural engineeringTurn-key constructionUnderground construction
Canal constructionDemolition worksDredgingDrillingEarthworksProcessing of building materialsRemediation of hazardous substances / Asbestos abatementRemediation worksRenaturationUnderground construction