Carpentry worksCrane work and rentalFaçade worksInsulationPhotovoltaicsRemediation of hazardous substances / Asbestos abatementRemediation worksRoof greeningRoof sealRoofing worksScaffoldingSealing worksSheet-metal worksWindowsWooden construction
Building technology/ building services (building automation)Carpentry worksPlumbing workRemediation worksRenewable energiesRoof sealRoofing worksSolar panelsWooden construction