Earth Building Foundation, The
A non-profit organization that provides information on adobe and rammed earth construction techniques. http://www.earthbuilding.com/
Rammed Earth Works
Information on PIS?, a rammed earth construction technique developed by David Easton.
Oskam
Dutch manufacturer of compressed earth block machines. Site in Dutch and English.
Rammed Earth Development (Arizona)
Designs and builds rammed earth and adobe houses in Tucson and Southern Arizona. Information about design, general contracting, and wall ramming services.
Terra Firma Rammed Walls Ltd
We provide consultation, design and construction of environmentally sustainable rammed earth buildings in New Zealand. Information about us, earth construction techniques and past/present projects.