The Scierie des Carrières de Maffle and the Marbrerie Crombé are two businesses managed by the Crombé family, active in the natural stone transformation sector for more than 115 years. The businesses supply stone for building and renovation projects and also recover materials. La Marbrerie Crombé restores, sells and installs antique fireplaces. La Scierie des Carrières de Maffle sells cut flagstones and pavers in reclaimed stone. Both operate through their installation company MC² Stoneworks in the restoration of protected monuments. La Scierie can also supply full containers of stone off-cuts for crushing and limestone sludge for use as fertiliser by farmers.