Sep 10, 2014 · The 25 Companies Investing The Most In America's Future that are eager to invest vast sums in the United States. Investment Heroes" that make up the Top 25 list really underscore which Top Investment Banks | World Finance Source : dealogic.com. List of Top 10 Investment Banks: JP Morgan Chase: One of the Big Four banks of the United States, JP Morgan Chase is a multinational banking and financial services holding company based in New York City. JP Morgan Chase is present in 60 countries around the world. With total assets of around USD 2.5 trillion, it is the sixth largest bank by total assets in the world.