SAEML-TAMM is in charge of operating the urban public passenger transport network in the metropolitan area of Metz Métropole (LE MET 'network). TAMM's workforce is approximately 475 employees. The object of the contract is the subscription by TAMM of a compulsory group insurance policy of the complementary health-mutual health insurance type for its employees.

The purpose of the contract is to entrust an insurance professional with the coverage of insured risks and the management of claims resulting from supplementary health insurance.