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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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DFI SuperPile 2025
Deep Foundations Institute Piling Design & Construction Conference
6/18/2025 - 6/20/2025
DFI's S3: Slopes, Support and Stabilization 2025
Deep Foundations Institute S3: Slopes, Support and Stabilization
8/5/2025 - 8/7/2025
DFI India 2025
14th Annual Conference on Deep Foundation Technologies for Infrastructure Development in India
9/8/2025 - 9/10/2025
Deep Foundations 2025
DFI 50th Annual Conference on Deep Foundations
10/20/2025 - 10/23/2025
Foundation Decarbonization and Re-use 2026
3rd Annual Conference on Foundation Decarbonization and Re-use
3/24/2026 - 3/26/2026



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