MetLife, Inc. is the holding corporation for the Metropolitan Life Insurance Company (MLIC),[2] better known as MetLife, and its affiliates. MetLife is among the largest global providers of insurance, annuities, and employee benefit programs, with 90 million customers in over 60 countries.[3][4] The firm was founded on March 24, 1868.[5] MetLife ranked No. 43 in the 2018 Fortune 500 list of the largest United States corporations by total revenue.