Merrill Lynch & Co. Inc. is one of the world's largest providers of wealth management, securities trading, sales, corporate finance and investment banking services. It is a part of the Bank of America Corp., one of the world's largest financial institutions. The bank serves clients in more than 150 countries that include individual consumers, small and middle market businesses as well as large corporations. It offers a range of services, such as banking, investing, asset management, financial and risk-management. Bank of America Corp. caters to more than 59 million consumers and small business relationships with more than 6,100 retail-banking centers and operates more than 18,000 ATMs.