The important French wine trading company(Négociant) E. & M. Guigal with its headquarters in Ampuis is located in the north of the wine-growing region Rhône. It was founded in 1946 by Étienne Guigal. His son Marcel Guigal took over the management in 1971. He is regarded as one of the pioneers of the region, who contributed significantly to the improvement of quality. Marcel Guigal also became internationally known in the mid-1980s through the highest evaluations of the wine journalist Robert M. Parker. Today he is considered one of the best winemakers in the world. His own vineyards cover 20 hectares on the best steep slopes in the Côte Rôtie appellation, but grapes are purchased from many small winegrowers. They mature for at least three years in new oak barrels and are bottled without fining or filtration. Among the most famous are the standard bottling "Côtes Brune et Blonde", as well as the single vineyard wines "La Mouline", "La Landonne", "La Turque" and "Château d'Ampuis". Furthermore, wines are also produced in the AC areas Condrieu, Côtes du Rhône, Gigondas, Hermitage and Tavel. In 1984 the company Vidal Fleury was taken over and later also De Vallouit and Jean-Louis Grippat.