AETNA (Aetna Insurance & Financial Group) is an American insurance company with a long history, established in Hartford, Connecticut in 1819, taking its name from the famous volcano Etna (Italian: Etna) in Italy, and started to deal in fire insurance. The company was founded in 1819 in Hartford, Connecticut, named after the famous volcano Etna in Italy, and started its fire insurance business in 1850. Aetna was ranked 304th in the 2013 Fortune 500.