MAP20170029427 Top 50 world's largest reinsurance groups 1 p. Sumario: Ranked by unaffiliated gross premium written in 2016. — Ámbito geográfico: Internacional En: Best's Review. - New Jersey : A.M. Best Company, 1976- = ISSN 1527-5914. - 01/09/2017 Volumen 118 Número 5 - septiembre 2017 , p. 34 1. Ranking . 2. Empresas de reaseguros .