» Adobe Builder News    Adobe building information portal site. Producers of the Earthbuilders Encyclopedia CD-ROM, a 300-page reference of earth construction. Also has information about the Southwest Solar Adobe School, building codes, and a general introduction to earth struct    http://www.adobebuilder.com

» Aureka Auram Earth Brick Presses    Manufacturer of compressed earth block presses, wind pumps, and other equipment to support sustainable living.    http://www.aureka.com/

» Auroville Earth Institute    Research and development group based in southern India that provides training, reference materials and photographs for constructing earthen buildings.    http://earth-auroville.com

» CalEarth Forum    The California Institute of Earth Art and Architecture.    http://www.calearth.org/

» Casa-verde    A Romanian project in natural building and sustainable living. Information on cob and green architecture, and participating in the experiment.    http://www.casa-verde.ro

» Castles in the Ground    Custom builder of earth-sheltered and underground homes.    http://www.castlesintheground.com/

» Cob Cottage Company, The    Information about cob, a hands-on construction technique using earth mixed with sand and straw.    http://www.cobcottage.com/

» Davis Caves    Builder of earth-sheltered and underground homes. Based in Illinois but will build anywhere in the United States.    http://www.daviscaves.com/

» Defco    Manufacturers of the Blockmaker mobile block-making machine. Includes cost comparison with standard block construction and adobe building codes.    http://www.defcoinc.com/

» Dhaj's Place    Offers workshops on in-situ adobe, paving, plaster, and mosaic construction in Northland NZ.    http://www.dhajs-place.co.nz/index.html

» Earth Building Foundation, The    A non-profit organization that provides information on adobe and rammed earth construction techniques.    http://www.earthbuilding.com/

» Earth Building Research Forum    Site supported by the Faculty of Design, Architecture, and Building at the University of Technology, Sydney to investigate material properties and constructional aspects of earthbuilding. Contains research articles, web links, and a publication list relat    http://www.dab.uts.edu.au/ebrf/

» Earthuprising Adobe Block & Machine Co.    Manufacturer of portable, diesel powered adobe block machines. Site in English and Spanish.    http://www.earthuprising.com/

» Environmental Construction Technologies    Manufacturer of Enviro-Bricks and Earth Bricks: compressed soil stabilized interlocking building units.    http://www.environmental.builderspot.com/page/page/361761.htm

» Fernco Metal Products    Manufacturer of manual and air/hydraulic compressed earth block presses.    http://www.ferncometal.com/

» Fox's Den Homestead    Earth sheltered home and farm for sale in Missouri. Includes interior and exterior photos of the home.    http://fuliginouspalaver.tripod.com/

» Home Sweet Earth Home    Custom builder and designer of earth-sheltered and underground homes.    http://www.undergroundhomes.com

» House Alive Natural Building    An educational organization providing articles about cob construction, pictures of the building process, workshops, and links to other resources.    http://www.housealive.org

» Make it Mudbricks    South Eastern New South Wales manufacturer of puddled mud bricks that are CSIRO approved for load bearing and post and beam style homes.    http://www.makeitmudbricks.com.au

» NaturalBuilding Project Thailand    Clay building group in Thailand. Contains several galleries of clay buildings.    http://www.baandin.org

» Oskam    Dutch manufacturer of compressed earth block machines. Site in Dutch and English.    http://www.oskam-vf.com/

» Powell & Sons Pressed Earth Machines    Manufacturers of compressed earth and adobe block machines.    http://www.adobemachine.com

» Rammed Earth    Includes a description of the construction of a rammed earth house in Australia. Includes photos, a tongue-in-cheek F.A.Q., and links to other sites.    http://www.hahaha.com.au/rammed.earth/

» 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.    http://www.rammedearth.com/

» Rammed Earth Works    Information on PISÉ, a rammed earth construction technique developed by David Easton.    http://www.rammedearthworks.com/

» Rocky Mountain Research Center    Information on building earth sheltered homes using the principles of passive annual heat storage. Online tours of underground houses with construction details.    http://www.earthshelters.com/

» Roger's Rammed Earth    Photos and details of rammed earth building in Australia. FAQs and links to other rammed earth builders in Australia.    http://members.optusnet.com.au/~rogergarlick

» Sandbag City    Photographs of a variety of sandbag construction methods and links to sandbag resources.    http://www.mustanggirls.net/sandcity.htm

» Soil Block Machines    AECT provides information on its three compressed soil block machines in addition to an overview of earthen construction. Earthen construction is economical, cost efficient and does not use precious resources.    http://pages.sbcglobal.net/fwehman

» Southwest Desert Sustainability Project    Non-profit group with programs and information on earth construction including Composite Adobe.    http://www.angelfire.com/nm2/swdesert/

» Terra Firma Earth Building Company    Designs and builds rammed earth homes in New Zealand, and provides rammed earth consultation services. Site contains project photos and construction options.    http://www.earthhomes.com