Ground Improvement & Deep Foundations | Subsurface Constructors

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Full service geotechnical contractors

For more than 115 years, Subsurface Constructors has been a Midwest leader in deep foundation construction. Today, we're also recognized as one of the most experienced and reliable ground improvement contractors in the U.S. From our headquarters in St. Louis and our regional satellite offices, we bring innovative, value-added approaches to engineers and contractors nationwide - with the expertise and equipment to deliver any geotechnical project.

Full service geotechnical contractors

Ground Improvement

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Deep Foundations

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Earth Retention

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Our team has the experience to design and build safe, reliable and low-cost earth retention walls for the biggest jobs. With tight quality control and rapid excavations, we mitigate your risk and put your project ahead of schedule.

Our services also include:

Geotechnical
Engineering

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Foundation
Load Testing

Desktop guide to aggregate pier ground improvement

Learn about your options, your costs and bidding out your foundation construction project.

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Why Subsurface Constructors?

Combining a rare offering of ground improvement methods like aggregate piers, rigid inclusions, and deep foundation services with unmatched responsiveness, reliability and value-added solutions, Subsurface Constructors is unlike any geotechnical contractor in the industry.