Air conditioningBuilding technology/ building services (building automation)CleaningDewatering worksGas installationHeatingInsulationRefrigerationRemediation worksRenewable energiesSanitarySolar panelsStoves and fireplaces
Doors and gatesETICSFaçade worksFlooring worksGlass worksInsulationPainting worksParquetryPlasteringRemediation of hazardous substances / Asbestos abatementRemediation works