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Geotechnical Drilling Services

Subsurface Investigations for Critical Infrastructure

From bridge abutments and dam foundations to marine structures and underwater data centers — IET delivers precision geotechnical borings with certified field crews nationwide.

3,500+
Projects Completed
25+
Years Experience
50+
Specialized Rigs
Nationwide
Service Coverage

Built for Heavy Civil Projects

IET's geotechnical drilling crews are mobilized for the most demanding structural investigations — over land, over water, and in challenging terrain.

Bridge & Highway Foundations

Bridge & Highway Foundations

Comprehensive subsurface investigations for highway bridge abutments, piers, and overpass structures — providing load-bearing data for structural engineers.

Dams & Water Infrastructure

Dams & Water Infrastructure

Deep borings and rock coring for dam foundations, spillways, and water retention structures in challenging geological conditions.

Marine & Underwater Structures

Marine & Underwater Structures

Barge-mounted drilling for underwater foundations including offshore platforms, piers, seawalls, and submarine data center infrastructure.

Heavy Civil & Industrial

Heavy Civil & Industrial

Geotechnical borings for industrial facilities, power plants, transmission towers, and large-scale commercial construction.

Geotechnical Services

Standard Penetration Testing (SPT)
Rock Coring & Classification
Undisturbed Shelby Tube Sampling
Pressuremeter & Dilatometer Testing
Piezometer Installation
Inclinometer Casing Installation
Borehole Camera Logging
Split Spoon Sampling
Permeability & Falling Head Testing
Groundwater Monitoring Well Installation

Equipment Fleet

CME Rigs
Track & truck-mounted for all terrain access
Schramm Rigs
Large-diameter & deep borings up to 500 ft
AMS Rigs
Compact access for limited clearance sites
Barge Platforms
Marine drilling for over-water structures
IET Drilling Equipment

Frequently Asked Questions

Ready to Mobilize?

Get a fast quote for your geotechnical boring program. IET crews are available nationwide with rapid mobilization.