Deep Foundations Institute – www.dfi.org
A technical association of firms and individuals in the deep foundations and related industry

American Society of Civil Engineers (ASCE) – www.asce.org
ASCE represents more than 140,000 members of the civil engineering profession worldwide and is America’s oldest national engineering society

ASCE Geo-Institute – http://www.asce.org/geo/
The Geo-Institute (G-I) is a specialty membership organization focused on geo-professionals and the geo-industry

International Society of Soil Mechanics and Geotechnical Engineering (ISSMGE) – http://www.issmge.org/en/
Promotes the advancement and dissemination of knowledge in the field of geotechnics and its engineering and environmental applications, through conferences, technical committees, and member societies

International Code Council – http://www.iccsafe.org

ASTM International, formerly the American Society for Testing and Materials (ASTM) – http://www.astm.org
A globally recognized leader in the development and delivery of international voluntary consensus standards

Geoengineer.org – http://www.geoengineer.org/
The International Information Center for Geoprofessionals

GEOTECHNICAL ENGINEERING CIRCULAR (GEC) No. 8 – https://www.fhwa.dot.gov/engineering/geotech/pubs/gec8/gec8.pdf
DESIGN AND CONSTRUCTION OF CONTINUOUS FLIGHT AUGER PILES