About Us News & Events Event Deep Foundation Institute – Helical Piles Tradeshow and Educational Seminar Deep Foundation Institute – Helical Piles Tradeshow and Educational Seminar Location: Durham Fairgrounds, Durham, CT Dates: May 7 – 8, 2025 Share This Share on Facebook (opens in a new tab) Share on X (opens in a new tab) Share on LinkedIn (opens in a new tab) You May Also Like 28th Annual New England Area American Society of Safety Professionals (ASSP) Professional Development Conference (PDC) Read more: 28th Annual New England Area American Society of Safety Professionals (ASSP) Professional Development Conference (PDC) 2026 Michigan Joint Environmental Conference Read more: 2026 Michigan Joint Environmental Conference 2026 Gulf of Maine Coastal Conference Read more: 2026 Gulf of Maine Coastal Conference View All News