Assembly worksGarden and landscape constructionHeatingInterior constructionNatural stone worksPool constructionStair constructionStoves and fireplacesTiles and panels
Carpentry worksDewatering worksFaçade worksIndustrial construction and hall buildingInterior constructionRoof sealRoofing worksSheet-metal worksStoves and fireplacesWindowsWooden construction
Building technology/ building services (building automation)Gas installationHeatingRemediation worksRenewable energiesSanitarySheet-metal worksSolar panelsStoves and fireplacesVentilation