Best Resident Lists, a division of Data Management Inc., maintains a national CDS (Computerized Delivery Sequence) Walk Sequence Resident file. We have been providing "Resident" Addresses to the mailing community for over 44 years. Our staff has the knowledge & expertise you need to make your mailing campaign a total success. In addition to all our on line services, our customer service department is available every business day to meet all your needs & requirements.