When I used to work at Reputation dot com they had a service that would do this, opting out of most of the worst of the data brokers and other mailer/aggregatio

When I used to work at Reputation dot com they had a service that would do this, opting out of most of the worst of the data brokers and other mailer/aggregation companies. They've pivoted to corporate reputation management AFAIK, but may still have the personal opt-out service as a side benefit.