Carrefour S.A. is a French multinational retailer headquartered in Boulogne Billancourt, France, in the Hauts-de-Seine Department near Paris. It is one of the largest hypermarket chains in the world (with 1,462 hypermarkets at the end of 2016). Carrefour operates in more than 30 countries, in Europe, the Americas, Asia and Africa. Carrefour launches a private label including a wide range of products from food to machinery.