Solent Amateur Astronomer's Society
- Information about membership, meetings and observation sessions, educational activities, and contact details. Also run the Toothill Observatory.
- http://www.delscope.demon.co.uk/society/home.htm

Wessex Coppice Group
- To encourage economic growth in the hazel coppice industry through marketing, training and public awareness whilst sustaining the landscape and ecological value of the woodland resource.
- http://www.coppice.org.uk/

The Evolving Environment
- Discussion of environmental issues, planning for sustainable development and Coastal Zone Management (CZM) in the Solent and surrounding ports and habitats, suggesting ways that conflicting demands might be managed.
- http://www.solentcrisis.co.uk/

The Sustainabilty Centre
- The Sustainability Centre promotes, demonstrates and teaches green living and sustainable technologies.
- http://www.earthworks-trust.com/

Solent Forum, The
- A regional coastal group made up of councils, harbour authorities and other organisations, established to improve the management of the Solent and its coastline.
- http://www.solentforum.hants.org.uk/

Southern Water
- Water and sewerage services covering Southern England. Consumer advice and information plus corporate details.
- http://www.southernwater.co.uk/