Casino Group is a mass-market retail group based in France. It is the source of many innovations, such as the first distributor brand in 1901, the first self-service store in 1948 and the first to display a sell-by date on consumer products in 1959. Casino Group operates across all food and non-food formats: hypermarkets, supermarkets, convenience stores, discount stores and wholesale stores. It owns brands such as Monoprix, Franprix, Leader Price, Cdiscount, Vival, Spar, Sherpa and Le Petit Casino. Casino Group is listed on the Paris Stock Exchange. In 2017, its total revenue was €37.8 billion.