- AECB - Association for Environment Conscious Building
- Building Green - information on green roofs
- Chalk Down Lime - suppliers of traditional building materials
- Covers - suppliers of eco building products
- Devon Stone Walling - traditional stone & lime building
- Earth Building UK - developing earth building
- Earth Hands & Houses - earth building training & courses
- Earthwise - Passivhaus design in Sussex
- EcoDIY - energy and water saving in Clacton
- Green Building Press - home of green building magazine
- Green Building Store - quality building materials & advice
- Green Register - pioneering sustainable building
- GreenSpec - design, products, materials & specification
- Rammed Earth Consulting - rammed earth specialists
- Sustainable Build - sustainable construction techniques and advice
- Usable Buildings Trust - making buildings better
- TecEco - home of eco-cement