This is the 1929th most frequent Russian word.
работникам
"Работникам" means "to the workers/employees."
The word 'работникам' is used in the dative case, plural form, to indicate the indirect object receiving the address.
Объявление было адресовано всем работникам компании.
The announcement was addressed to all the company's employees.
Here, 'работникам' is used in the dative case to specify to whom the award was given.
Премия была вручена лучшим работникам завода.
The bonus was awarded to the best employees of the factory.
In this sentence, 'работникам' is in the dative case and indicates the beneficiaries of the discussion topics.