Foudrerie Marc Grenier, Tonnellerie Sylvain, close to Saint-Emilion and Tonnellerie Meyrieux, based in Villers-la-Faye in Burgundy, are part of «Famille Sylvain».

Those three companies make a wide range of barrels, casks and vats. They are motivated by a desire to advance and to constantly improve the quality of its products so as to adapt to new methods of manufacturing.