MetLife is a global provider of insurance, annuities, and employee benefit programs. The company also provides group insurance and retirement and savings products and services to corporations and other institutions. MetLife serves 90 of the largest Fortune 500 companies, with an estimated 90 million customers in over 60 countries. Founded on March 24, 1868, its principal offices are located at 1095 Avenue of the Americas in Midtown Manhattan, New York City.