DPV® Licensees Cycle O: Certified Products Guide - (Expires July 31, 2028)

CASS™ Software Manufacturers Data File Cycle O: Certified Products Guide (D) - (Expires July 31, 2028)

CASS™ Software Manufacturers Cycle O - (Expires July 31, 2028)

CASS™/MASS™ Certified Products Guide - All Sections Data Files Cycle O - (Expires July 31, 2028)

This document contains the certified vendors list for CASS™ and MASS™ products for Cycle O.

Speakers Bureau List 6.0 - 12.18.25

Mail Tracking Vendor List

This document provides contact information for a number of third-party service providers who offer mail owner and mail service provider solutions.

NCOALink® Full Service Provider Licensees

This document contains information about NCOA^Link® Full Service Provider Licensees. These service providers receive 48 months of change-of-address (COA) data from the USPS^® on a weekly basis.

NCOALink® Limited Service Provider Licensees

This document provides a list of service providers and contact information for NCOA^Link®. These providers receive 18 months of change-of-address (COA) data on a weekly basis from the USPS^®. For the full 48 months of COA data refer to the NCOA^Link Full Service Provider Licensees.

NCOALink® with ANKLink® Service Providers

This document provides a list of service providers and contact information for NCOA^Link® with ANK^Link®. These service providers have 18 months of Change-of-address (COA) data from the USPS^®. In addition, they inform mailers if a move has occurred in months 19 - 48, but do not provide the new address. The mailer will need to contact the Full Service Provider licensees to obtain the new address data for months 19 - 48.

Mail Service Provider (MSP) - Full-Service Certified Mailers

A Mail Service Provider (MSP) offers a variety of solutions to prepare and present Full-Service presort mailings. For more information regarding Certified MSPs, please follow this link: https://postalpro.usps.com/full-service-cert/fact-sheet