At E. F. Thompson Geotechnologies, we provide trusted geophysical services for engineering, environmental, and construction projects. Specializing in Ground Penetrating Radar (GPR) and electromagnetic surveys, our team delivers accurate, non-destructive subsurface data to help you make informed decisions and avoid costly surprises. With over 25 years of experience, we’re known for our professionalism, precision, and integrity.
We stand behind the quality and precision of our work. Your team depends on reliable data—we deliver it with confidence.
All survey technicians are professionally trained and certified in subsurface radar and geophysical methods, ensuring safe, efficient, and accurate testing.
No hidden costs—just honest, upfront pricing so you know exactly what to expect before we begin.
We specialize in non-invasive ground investigation and subsurface imaging to support engineers, developers, and construction professionals. Using advanced geophysical technologies, we deliver accurate underground data—without excavation.
We use Ground Penetrating Radar (GPR) and electromagnetic methods to locate subsurface anomalies, buried utilities, voids, and other geologic features—providing critical data before you dig or build. We Also do Geophysical Consulting.
We deploy high-resolution drones for safe, efficient inspection of hard-to-reach areas, construction site monitoring, and aerial LiDAR mapping. Our UAV services deliver detailed visual data for planning, progress reporting, and risk assessment—without interrupting operations.
For over 29 years, E. F. Thompson Geotechnologies, Inc. has provided accurate, non-invasive subsurface data for engineering, construction, and environmental projects. Our commitment to precision, professionalism, and dependable service has made us a trusted partner for geotechnical insight across the Southeast.