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Deep Foundations Institute was incorporated in 1976 in the State of New Jersey as a 501(c)(6) non-profit association. DFI is an international association of contractors, engineers, suppliers, academics and owners in the deep foundations industry. Our multi-disciplinary membership creates a consensus voice and a common vision for continual improvement in the planning, design and construction of deep foundations and excavations. We bring together members through networking, education, communication and collaboration. With our members, we promote the advancement of the deep foundations industry through technical committees, educational programs and conferences, publication of guides and specifications, a peer-reviewed journal, a flagship magazine, research, government relations and outreach. DFI has more than 3,000 involved, knowledgeable and committed members worldwide.
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Foundation Decarbonization and Re-use 2026
3rd Annual Conference on Foundation Decarbonization and Re-use
3/24/2026 - 3/26/2026
DFI-PFSF Piling & Ground Improvement Conference 2026
DFI-PFSF Piling & Ground Improvement Conference
5/18/2026 - 5/20/2026
DFI SuperPile 2026
Deep Foundations Institute Piling Design & Construction Conference
6/24/2026 - 6/26/2026
DFI's S3: Slopes, Support and Stabilization 2026
Deep Foundations Institute S3: Slopes, Support and Stabilization
8/11/2026 - 8/13/2026
DFI51 2026
51st Annual Conference on Deep Foundations
11/2/2026 - 11/6/2026



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