The following list aims to acknowledge those companies and businesses that, realizing the cultural and social value of their records, decided to make them available to public.
These data are meant as just an help in order to contact the archives, and not as a source of specific information on their records. Further details on them will be obtained through a direct contact with the archive's manager.
The intervals shown in the key underline the positive outcome of the surveys held in Tuscany, Latium and Lumbardy. The high number of items gathered in these counties shows the great importance of a steady follow up, such as the one being currently carried out on the single companies by the Centre after the first survey.