Building technology/ building services (building automation)Carpentry worksConstruction materialsFaçade worksRemediation of hazardous substances / Asbestos abatementRemediation worksSanitarySolar panelsWooden construction
Building plumbingCarpentry worksFire protectionIndustrial construction and hall buildingInterior constructionRemediation worksRoof sealRoofing worksSealing worksWooden construction