Geotechnology, LLC is a limited liability company founded in 1984. Our Memphis, Tennessee, Jonesboro, Arkansas, and Oxford, Mississippi offices allow us to effectively serve clients in the South Region. Our other office locations are in Illinois, Kansas, Kentucky, Ohio and our Corporate Headquarters in St. Louis, Missouri.

Geotechnology acquired Memphis-based Hall, Blake & Associates in 2010, EOI - Illinois in 2013 and Thelen Associates, Inc. with offices in Ohio and Kentucky in 2015, expanding our geographic service area and enhancing the services we can provide our clients to include a comprehensive range of consulting services in applied earth and environmental sciences; exploration; geotechnical engineering; soils, rock, and construction materials testing; non-destructive testing; special inspections; geophysics and deep foundation testing. Technical expertise, thorough knowledge of regulations, and strong management capabilities form a solid foundation for resolution of the most complex and challenging engineering issues.

Geotechnology focuses on providing the professionals and resources that best fit our client’s goals and are necessary to successfully accomplish their projects. This approach allows us to provide more flexibility to our schedule, develop cost efficiencies and better manage day-to-day processes and challenges on site. In addition to over 215 associates and ten offices, Geotechnology makes capital investments to provide responsive services. This includes a fleet of 20 exploration rigs through Geotechnology Exploration, LLC (a single member limited liability company founded in 2020), our comprehensive USACE validated and AASHTO-approved construction materials and QA/QC soils testing laboratories, and our own non-destructive testing and geophysical equipment.