Total bilateral trade between the US and Italy exceeds $50bn a year. Yet, mapping the true extent of business activity between Italy and the US has traditionally been a remarkably difficult task. Updated, reliable information about businesses that operate in the Italy-USA ecosystem is useful not only to institutions and trade associations, but is also vital to entrepreneurs, managers, academics, etc.. BAIAbase solves the problem by providing the first Web-based, public, editable database of companies that have a direct Italy-USA connection.