Geotechnical and Environmental Drilling

GRG’s family of companies specializes in geotechnical and environmental drilling utilizing advanced techniques to obtain crucial subsurface data. Our wide range of drilling and utility location capabilities using the latest technologies enables our team to support nearly every type of geotechnical or environmental investigation project.

  • Direct Push Drilling

  • Rotary Sonic Drilling

  • Environmental Sampling

  • Geotechnical Boring

  • Rock Coring

  • Instrumentation Installation

  • Private Utility Locate

MATECO Drilling Equipment

Geoprobe 2060 cpt direct imaging drill equipment

GeoProbe 2060 CPT

20-ton climate controlled cabin crawler for direct imaging. CPT, MIP, and HPT.

GeoProbe 8150 LS low impact drilling sonic tooling

GeoProbe 8150 LS

Efficient, low-impact drilling. 4x6 and 8x10 sonic tooling for diverse projects. Reaches up to 400 feet.

Marsh master low environmental impact

Marsh Master

A powerful, versatile and practical solution. Amphibious capabilities, high mobility, light weight and low environmental impact. Transport crew and equipment to remote or inaccessible locations.

Acker Renegade multipurpose drill unit

Acker Renegade

All hydraulic, high-torque multipurpose drill units. Excels in coring, augering, probing, standard penetration test and reverse circulation.

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Independent Laboratory Testing