HGI’s trusted Services

We create custom-fit solutions for individual client needs making us an industry leader in the field of geophysical consulting, leak detection & location, and the geosciences.

Leak Detection

HGI offers advanced leak detection technologies for tanks, dams, pipelines, and ponds, proven to deliver better accuracy and fewer false alarms through rigorous testing on federal projects.

Learn More

Environmental Services

HGI offers solution-oriented consulting in environmental services, specializing in subsurface investigations and mapping contaminant plumes.

Learn More

Geohazard Characterization

HGI conducts geohazard characterization surveys to help clients identify and manage subsurface geological hazards, using a range of expertise in geophysical methods.

Learn More


HGI is an innovative geophysical consulting and services provider specializing in unique solutions for the mining industry.

Learn More


Groundwater is a crucial resource, providing drinking water for half of the US population and being especially vital in arid and semi-arid regions.

Learn More

Site Clearance

HGI uses geophysical methods like magnetic, electromagnetic, and ground penetrating radar to locate and map buried infrastructure and objects in brownfield sites.

Learn More


With over 15 years of experience, HGI conducts efficient, non-invasive, and cost-effective geophysical surveys at archaeological sites, offering tailored solutions to clients’ requirements.

Learn More


Geophysical characterization methods have become vital in geotechnical engineering, providing valuable subsurface information for design, planning, construction, and operation of structures.

Learn More

Oil and Gas

HGI has extensive experience in the oil and gas industry, conducting large-scale exploration surveys using techniques like gravity, magnetics, and 2D seismics to understand subsurface rock layers and potential reservoirs.

Learn More