USA. International trade organization for installers of geosynthetics and geomembranes. Searchable company directory. HDPE geomembrane installation specifications. Technical information on PDF files. Links to organizations and educational institutes, publications and societies.

USA. Membership organization for manufacturers of cotton batting for mattresses and upholstery, and suppliers of linters and textile by-products, and allied business. Company directory. Links to related sites.

USA. Trade organization for North-American manufacturers and traders in geosynthetic materials. Resources and technical articles. Members' directory. Links to related sites.

UK. Trade organization for European contractors for foundation construction and geotechnical processes. Members directory. List of conferences and symposia.

Semi-autonomous institute within the American Society of Civil Engineers. Membership organization for professionals in the geotechnical industry. Calendar of events. Publications and industry news. Links to related sites.

Collaboration of geotechnical consulting firms, specialty contractors, and government agencies in association with Virginia Polytechnic Institute. Conducts training programs, meetings, and other exchanges. Site includes information about activities and synopses of available research papers.