Regions Financial Corporation NYSE: RF is a publicly held company based in Birmingham, Alabama, USA, with the corporate headquarters at the Regions Center. A member of the S&P 100 Index, the company provides retail and commercial banking, trust, securities brokerage, mortgage and insurance products and services.Regions has more than $146 billion in assets as of 2009, making it one of the top 10 banks in the United States.[1] Its banking subsidiary, Regions Bank, operates some 2,000 branches and 2,400 ATMs across a 16-state network in the South, Midwest, and Texas. Its securities brokerage and asset management subsidiary, Morgan Keegan & Company, Inc., provides services in over 450 offices across 16 states.