Key Players
- Adobe in Action
- American Clay Enterprises
- Barefoot Builder
- Build Naturally
- Claylin
- Clayworks Ltd
- Cob Cottage Company
- Cob Works
- Cobworks
- Earthbags
- Earthen Shelter
- Natural Building Technologies (NBT)
- Seven Generations Natural Builders
- Straw Bale Gardens
- StrawJet
