- u3a Northumbria Region - our local region
- u3a Third Age Trust - National
- A.I.U.T.A. - International Association of Universities of the Third Age
Local Societies
- Donnison School - Heritage Centre
- Sunderland Culture - Events in Sunderland
- Sunderland Maritime Heritage - Visitor Centre
- Tunstall Hills - Tunstall Hills Protection Group
- Wearside Field Club - Wearside Field Club - walks and talks