The co-operative, headquartered in Avize (Marne department), is one of the world's leading champagne producers. The approximately 1,800 members manage a total of 1,200 hectares of vineyards, including best Chardonnay locations on the Côte des Blancs. Well over half of the production is sold as must or wine to other wineries. Every year, 10 million bottles champagne
produced. About 2.5 of them are sold under the names of various cooperative members. Another 1.5 million are marketed under the brand names "De-Saint-Gall" and "Cuvée Orpale". The second is one of the best Blanc de Blancs champagnes (Chardonnay).