Geotechnical Services

Our engineers, geologists and scientists deliver economical and practical solutions to difficult problems. GSI offers a full-service team of experienced professionals - we're there for you from planning, to design and construction, to project completion. Our diverse portfolio of consulting services provides solutions to address your needs.

The inherent variability of earth materials such as soil and rock means that subsurface conditions can present one of the most significant unknowns-and therefore risks-associated with construction. For more than 45 years and across thousands of projects, GSI has helped our clients cost-effectively evaluate and manage this risk-maximizing the potential of their site and protecting their investment.

GSI Engineering is a full-service engineering firm committed to a broad spectrum of environmental services through sustainable, innovative, and cost-effective solutions. Our dynamic team of professional and technically trained staff have the expertise to help your organization navigate complex physical and regulatory scenarios.

Our clients count on GSI to provide reliable quality assurance/quality control (QA/QC) testing and inspection for their construction projects. During each stage of the construction process, from site grading to foundations to structural framing and beyond, GSI can provide the information you need to assure your project is built according to plan.

For over 45 years, GSI has offered a comprehensive package of outstanding drilling services including proven, time-tested solutions to difficult drilling problems, highly-trained, experienced drillers, efficient scheduling, and minimal down time. GSI's drillers and drillers helpers are highly-trained professionals with years of experience drilling through the Midwest's subsurface materials.