Professional Geophysical Investigation Services

Subsurface Utility Engineers, LLC
Advanced Geophysical & Subsurface Utility Services Hawaii

Subsurface Utility Engineers, LLC is a Hawaii-based geophysical services firm headquartered in Honolulu, proudly serving Oahu, Maui, Hawaiʻi Island, and Kauai. We specialize in locating, mapping, and verifying underground utilities and subsurface conditions using state-of-the-art, non-destructive technologies designed for Hawaii’s unique geology and infrastructure.

Our Mission is simple: reduce risk, improve safety, and deliver accurate subsurface data that supports informed decision-making for construction, engineering, and infrastructure projects throughout the Hawaiian Islands.

Our Expertise
We provide comprehensive subsurface investigation services using the latest technologies..
Ground Penetrating Radar (GPR)
High-resolution imaging to detect utilities, voids, conduits, tanks, and anomalies.
Electromagnetic (EM) Pipe & Wire Locating
Detection and tracing of metallic and non-metallic underground utilities to prevent strikes.
Vacuum Truck Potholing (Daylighting)
Non-destructive air-excavation to visually confirm depth, size, and alignment of pipes
Concrete Scanning
Scanning for post-tension cables, rebar, conduits, and embedded objects prior to coring.
LiDAR Scanning & Mapping
High-accuracy 3D data capture for surface and subsurface planning, and documentation.
Hawaii-Based & Island-Experienced
We understand local soil conditions, volcanic geology, and island infrastructure challenges.
Advanced Technology
We use modern, calibrated equipment to deliver reliable, defensible results.
Safety & Risk Reduction
Our services help prevent utility strikes, injuries, and costly project disruptions.
Support for All Project Types
From small renovations to large-scale infrastructure and civil engineering projects.
Trusted by Professionals
Serving engineers, contractors, utility companies, municipalities, architects, and developers.

Industries We Serve
Civil & Structural Engineering
Construction & General Contracting
Utility & Infrastructure Projects
Municipal & Government Agencies
Commercial & Residential Development
Transportation, Airports, and Ports
Renewable Energy & Telecommunications