25 Biggest Financial Firms in the World

6. American Express Company (NYSE:AXP)

Market Cap as of August 11: $168.91 billion

The American Express Company (NYSE:AXP) was established in 1850, has its headquarters in New York, and operates all over the world. American Express Company (NYSE:AXP) has four operating categories: U.S. Consumer Services, Commercial Services, International Card Services, and Global Merchant and Network Services.