text: Zacks Investment Research controls the process through an agreement with a postal list service bureau and phone call centers, which handles the distribution of direct mail and telemarketing offers from Zacks Investment Research and its business partners. Outside marketers are only given the right to send you a piece of direct mail through our bureau or call you through a telemarketing firm with our approval. All phone numbers on the Zacks telemarketing list are processed through the National Do Not Call Directory to remove anyone registered there. Zacks Investment Research is selective about the companies we permit to send your offers and the offers being sent.