Mailhandlers Union Local 305
- Represents postal workers in Virginia, West Virginia, North Carolina, Maryland, and Washington DC.
- http://www.mhu305.org/

eSteward
- Grievance research software for APWU and NALC union stewards from Postal Grievance Research System (PGRS). Demonstration video included.
- http://www.pgrs.org/

Postal News
- Postal News from online resources, newspapers and every other conceivable means of news.
- http://www.postalnews.com/

National Association of Postal Supervisors
- Not a union but a management association, NAPS represents over 35,000 active and retired supervisors and managers who work for or who retired from the United States Postal Service (USPS). NAPS is unique among federal management associations in that its
- http://www.naps.org/