Descrição ACE INA is a US-based holding company that is part of the ACE group of companies led by ultimate parent ACE Limited. The unit includes both domestic and international property/casualty insurance and reinsurance operations. ACE USA, one of its largest subsidiaries, provides specialty insurance products in the US and Canada through units such as ACE Accident & Health, ACE Casualty Risk, and ACE Financial Solutions. ACE INA also contains the ACE European Group unit, which is a major provider of property/casualty insurance in Europe. In addition, ACE INA holds ACE group subsidiaries operating in the Asia/Pacific region, South America, Africa, and the Middle East.