ACE Ltd (ACE) is a holding company of the ACE Group of Companies. ACE is a global insurance and reinsurance organization, serving the needs of customers in more than 170 countries. It offers commercial insurance products and service offerings, such as risk management programs, loss control and engineering and complex claims management. It also provides specialized insurance products ranging from Directors & Officers (D&O) and professional liability to various specialty-casualty and umbrella and excess casualty lines to niche areas, such as aviation and energy. In addition, it supplies personal accident, supplemental health, and life insurance to individuals in select countries. ACE operates in four business segments: Insurance-North American, Insurance-Overseas General, Global Reinsurance, and Life. In April 2014, the Company announced that ACE Group created Global Property Engineering unit to provide engineering risk management services to clients worldwide.