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Specialists Marketing Services, Inc. is a data-driven, multi-channel marketing solutions company providing world class services across all the verticals in the marketing industry. SMS's data solutions of highly segmented marketing databases help refine the search for consumers who engage with brands. A leading provider of direct marketing lists—including SMS’s Master Consumer file of 240 million U.S. consumers—SMS also boasts the largest instatement insert agency/broker in the nation. SMS's traditional list management, brokerage, list fulfillment divisions manage more than 700 list properties and broker for over 200 mailers.

Data services include consumer contact enrichment, pre-call compliance and fraud prevention via web portals, web services APIs and batch processing.