Assembly worksCrane work and rentalDoors and gatesFaçade worksFire protectionMetal constructionRailingsStair constructionSteel constructionWindowsWinter gardens
Building technology/ building services (building automation)CleaningFaçade worksGarden and landscape constructionGlass facadesGlass worksInterior constructionWindowsWinter gardens
Carpentry worksDewatering worksFaçade worksIndustrial construction and hall buildingInsulationRemediation worksRoof sealRoofing worksWindowsWinter gardens