COLLA SpA started its activity in 1921 in a small dairy farm from in Cadeo, in the province of Piacenza.
As today, the milk comes from farms situated in the territory of the Province of Piacenza, bordering the area of production of Parmigiano Reggiano.
Over decades and generations, Colla has been constantly increasing the production of Grana Padano beginning that of Parmigiano Reggiano in 2001, ranking today among the leading Italian companies.