Were you able to find the right 3 Providers within direct-mail ? If you're also a provider of direct-mail and you're not featured in the business directory yet, you can always Add an entry for free.
The results list for direct-mail in Sumter. You can find the best direct-mail vendors and providers in Sumter in the Sumter Business Directory. Currently there are 3 companies registered in the Sumter business directory under direct-mail.