Building technology/ building services (building automation)Communication technologyData network worksDoors and gatesElectrical installationLighting systemsRemediation worksSolar protection and dimming constructions
Crane work and rentalFaçade worksPlumbing workRemediation of hazardous substances / Asbestos abatementRemediation worksRenewable energiesRoof greeningRoof sealRoofing worksSolar panelsWooden construction