Association for Environment Conscious Building

Brighton Permaculture Trust

Centre for Alternative Technology

Clearskies renewable energy grants

Construction Resources

Durabuild

Ebuild

Friends of the Earth

Go Green

Green Building Press (Building for a Future Magazine)

Green Building Store

Green Construction

Greenpeace

Green Register

Low Carbon Network

Soil Association

Sponge

Sustainable Development

The Green-Wood Company

Timberbuild Network

Westgate Joinery

Woodnet