The DFI is an international network of heavy construction professionals dedicated to quality and economy in foundation design and construction. For over thirty years, DFI has gathered professionals in the deep foundations sector of the construction industry, to create a place for discussion, inquiry and debate. In so doing, DFI has brought the disciplines together where they have learned from each other, creating a better informed, more communicative foundations industry.
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Geophysical Survey Systems
Geophysical Survey Systems, Inc. (GSSI), is the world leader in the development and manufacture of commercial ground penetrating radar (GPR) systems and electromagnetic induction instruments (EM). Visit Geophysical Survey Systems
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CTL Thompson
Our geotechnical engineers, geologists and scientists are seasoned professionals with backgrounds in geotechnical, civil and structural engineering; industrial hygiene; biology and geology. With such diverse resources, CTL|Thompson has built time-tested trust with our technical excellence, […]
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GEOVision
GEOVision offers a full range of high-quality geophysical data acquisition, analysis, and imaging services. GEOVision specializes in non-invasive methods of investigtion for engineering, environmental, groundwater, mining, and archaeological applications. Visit GEOVision