Coop Alleanza 3.0 is the biggest European consumers' cooperative with 2,700,000 members. Coop Alleanza 3.0 was formed by the merger of the three big cooperatives of the Adriatic Sea area, Coop Adriatica, Coop Consumatori Nordest and Coop Estense on 1 January 2016 and it is part of Coop. From Wikipedia
