- USPS - Official Site of the United States Postal Service
- USPS Houston District Sales - [email protected] || 713-280-9001
- PCC - National site for all Postal Customer Councils
- National Postal Forum - Full information on National Postal Forum - dates, times, locations, etc.
- Mailing Industry Product Guide - This comprehensive buyer's guide is the go-to destination for decision makers to find all of the mailing-related products and services they need to run their businesses. The information about your company that is currently listed in the Guide is at no additional cost, including no annual renewal fees.
- USPS PostalPro - Great site for all USPS information and links
- MTAC - Mailers Technical Advisory Committee -
- The Postal Bulletin - The Official Source of Updates to Postal Service policies and procedures
- MailPro - Free publication for business mailers that offers the latest USPS information essential to creating effective mailings.
- DM News - The newspaper of record for direct marketers
Postal News - The daily news digest of the postal world