Londonderry Port and Harbour Commissioners
- Operator of deep sea shipping port. Includes history, facilities, services, environmental policies and safety code.
- http://www.londonderryport.com/

S.T.E.E.R.
- Mental health organisation with newsletter, contacts and photos.
- http://www.steermentalhealth.btinternet.co.uk/

Derry City Council
- The City of Londonderry, also known as Derry, is the economic centre for northwest of Ireland. Provides comprehensive information for citizens, visitors to the area and businesses.
- http://www.derrycity.gov.uk/