ACE Limited is a holding company incorporated with limited liability that, through its various subsidiaries, provides a broad range of insurance and reinsurance products. The Company derives its revenue principally from premiums, fees and investment income. ACE operates through six business segments: ACE Bermuda, ACE Global Markets, ACE Global Reinsurance (which includes both property and casualty reinsurance business and life reinsurance business), ACE USA, ACE International and ACE Financial Services.