About Us

Who we are

Welcome to E. F. Thompson Geotechnologies, Inc.

It is our mission to provide the professional community our specialized technical expertise and support for the practical and cost-effective application of shallow geophysics remote-sensing technologies to best satisfy the specific needs of our clientele.

We serve a diversity of multi-disciplinary professionals including consulting engineers, architects, geologists, building contractors, property developers, archaeologists and real estate managers. Our services are frequently utilized in industry including nuclear and coal/gas electrical generation plants, chemical manufacturing plants, petroleum refineries, and airport, railroad, highway, and shipyard transportation facilities.

EF Thompson Mobile Alabama
Reliable Service, Trusted Expertise
Should your firm be contemplating open pit or exploratory boring excavation, property acquisition or development, construction of new underground utility routes, or environmental site assessments, consider the value of our geophysical surveying services and the documented knowledge gained of otherwise unseen subsurface features in advance of any project planning or destructive activity. Contact us to inquire of the potential applications for your specific project needs.
Subsurface imaging company Alabama
29+
Years of Experience

Our Services

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.

Alabama Geophysical Applications

Geophysical Applications

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 provide geophysical consulting. 

Airport Compass Calibration Pad Services Alabama

Airport Services

Our advanced subsurface testing is trusted at airfields and airports to assess soil conditions, evaluate pavement support, and detect underground risks—supporting safe infrastructure planning and maintenance.
Alabama LIDAR

UAV/Drone Solutions

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.

 

Why Choose Us

Why Choose E. F. Thompson Geotechnologies?

At E. F. Thompson Geotechnologies, we are dedicated to providing accurate, non-invasive subsurface data through advanced geophysical testing. Our team of trained professionals delivers dependable results, technical expertise, and unmatched integrity—helping clients make confident, informed decisions on every project.
Privately Owned & Established

Our business is privately–owned corporation having been in business for over 25 years with having a predominate repeat client base throughout the southeast region

Fully Insured & Covered

We maintain full professional liability, general liability, automotive, and workmans’ compensation insurance policies

Flawless Safety Record

Our safety record is impeccable with no employee injuries or fatalities throughout its 29-year history

Experienced, Qualified Team

Our staff are professionals and include key personnel with Civil Engineering degrees and experience in geophysical, geotechnical, environmental, civil, structural, and land survey practices.

Military-Inspired Integrity

Our integrity is premised upon our key personnel's military institution background, with the same values imposed upon all of our employees.

Formally Trained Specialists

All of our geophysical survey team members have been formally trained by Geophysical Survey Systems, Inc (GSSI) in the theory and practice of applying subsurface interface radar in geophysical applications.

We believe we can exceed your expectations in a timely, cost-effective, and efficient manner and would be most appreciative of the opportunity to initiate an ongoing, trusting relationship.