www . wellsfargo . com Topping our list with a revenue of $ 97.57bn , according to Investopedia , is Wells Fargo , one of the largest banks in America . In fact , according to Forbes it is the fourth largest bank , and it places fifth on Forbes ’ ‘ The World ’ s Biggest Public Companies ’. It has $ 967bn US Private Client AUM , according to Investopedia , and operates out of San Francisco , California . It places 7th on Investment News ’ list of the top investment banks , with a score of 824 out of 1,000 . Since opening its doors in 1852 , it has expanded to a workforce of over 269,000 . 97