    Bank of America Corporation is an American multinational banking and financial services corporation headquartered in Charlotte, North Carolina. It is the second largest bank holding company in the United States by assets.As of 2010, Bank of America is the fifth-largest company in the United States by total revenue, and the third-largest non-oil company in the U.S. (after Walmart and General Electric). In 2010, Forbes listed Bank of America as the third biggest company in the world.       The company held 12.2% of all bank deposits in the United States in August 2009, and is one of the Big Four banks in the United States, along with Citigroup, JPMorgan Chase and Wells Fargo—its main competitors. Bank of America operates in all 50 states of the U.S., the District of Columbia and more than 40 other countries. It has a retail banking footprint that covers approximately 80 percent of the U.S. population and serves approximately 57 million consumer and small business relationships at 5,600 banking centers and 16,200 automated teller machines (ATMs).