First Tennessee Bank is a part of the Horizon National Corporation. This is a financial holdings company that has its headquarters in the city of Memphis, Tennessee. This bank offers a number of different financial services that are accessible through any number of their 177 locations that can be found not only in Tennessee but immediately surrounding it as well. The 14th oldest national bank charter in the United States, the First Tennessee Bank was founded in 1864 right during the heart of the civil war. There are more than 4,000 people working for First Tennessee Bank today.