Database containing the re-classified balance sheets of over 900,000 italian firms (530,000 for the last year). It allows selection by sector and geographic area, processing of firm data, extraction of graphs and tables, construction of sets of corporations for comparison purposes. It allows the access to original documents deposited at the Chambers of Commerce. Since 2008, the modules containing the numerical detail of simplified balance sheets and the module containing the balance sheets of corporations that went bankrupt after 2003 are available.