Unicare: In 1995, UniCare became the brand name for most of the WellPoint businesses operated outside of California. UniCare is a national organization dedicated to the delivery of quality health care ... ACE Tempest Re: one of the largest catastrophe reinsurers, Bermuda-based Africa Re: Set up by 36 African member states to transact treaty and facultative reinsurance cessions in Africa. Alea Group: Leading worldwide provider of reinsurance, insurance, financial, and alternative risk products. CATEX - The Catastrophe Risk Exchange: An Internet-based electronic trading system for the insurance and reinsurance industry and risk managers worldwide.