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Helical Drilling Inc. (HDI) is an innovative specialty design/build geotechnical contractor, serving the northeast region of the United States. Engineers, contractors and owners look to HDI because of our careful problem analysis, knowledge of soil conditions, application of innovative techniques and our design/build approach.

We take pride in the fact that day after day our engineered solutions are not only sound and innovative but cost effective. Whether it is ground improvement, innovative grouting, stabilizing a sinking structure, supporting a structure or earth retention, HDI can provide assistance. Our goal is to provide clients with tested, workable, timely and cost-effective geotechnical solutions.