Lorton Data is the company we recommend to handle all CASS Certification, address maintenance, and list acquisition needs. Mailing address data must be re-certified on a regular basis to qualify for bulk mailing discounts through the Postal Service.

Please include this Lorton Data form when you send your data to them. (Requires Acrobat Reader.)

To learn more, please use the Order Form Help Guideline Sheet or visit Lorton Data online at www.lortondata.com.