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50+ Years
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Expert Geotechnical & Environmental Engineering Solutions
Since 1973, GSI Engineering has established itself as a leader in geotechnical engineering, environmental consulting, and materials testing. Our team of highly trained engineers, geologists, and technicians delivers site-specific solutions tailored to each project's unique challenges. With a fleet of in-house subsurface exploration equipment and laboratory services, we provide reliable testing and inspection results. Acquired by UES in 2021, we maintain the same dedicated team and commitment to superior service. Our focus on safety, client collaboration, and community involvement underscores our approach to every project.

Backed by decades of experience, we prioritize practical solutions that protect client investments and the environment. Our professionals work alongside clients from planning through project completion, ensuring seamless execution. This philosophy of personalized care has allowed us to expand our service lines while maintaining our founding principles. Today, we continue to innovate while upholding the values that have defined us for over 50 years.
Services
Geotechnical Engineering Environmental Consulting Materials Testing Drilling Services EHS Site Services Construction Observation Special Inspections Remediation Brownfields Natural Resources
Details
  • Year established: 1973
Highlights and features
  • We offer 50+ years of experience in geotechnical and environmental engineering
  • Our team provides in-house laboratory services for faster testing results
  • We maintain a fleet of specialized drilling equipment for diverse project needs
  • Our safety-first approach has been recognized across the Midwest region
  • We deliver site-specific solutions tailored to each project's unique challenges
What people say
Technically superior work On time delivery Exemplary service Deep local knowledge Safety-first approach
Services
Geotechnical Engineering
Our geotechnical engineering services include subsurface exploration, foundation design, and slope stability analysis. We utilize advanced drilling techniques and in-house laboratory testing to assess soil properties. Our engineers provide tailored recommendations for deep foundations, retaining walls, and earthworks projects.
Environmental Consulting
We offer comprehensive environmental consulting for site assessments, remediation, and regulatory compliance. Our team handles NEPA documentation, wetland permitting, and brownfield redevelopment. We specialize in contaminant remediation and vapor intrusion assessments for industrial and municipal clients.
Materials Testing
Our materials testing services cover concrete, asphalt, and soil analysis. We provide field and laboratory testing with mobile labs for time-sensitive projects. Our technicians perform special inspections for structural steel, masonry, and foundation elements to ensure construction quality.
Drilling Services
We offer auger drilling, direct push technology, and cone penetration testing. Our fleet includes various drill rigs for environmental sampling and geotechnical investigations. We install monitoring wells and perform in-situ testing for groundwater and soil characterization.
EHS Site Services
Our EHS services include compliance audits, hazard assessments, and safety training programs. We develop site-specific health and safety plans for construction and industrial projects. Our consultants ensure adherence to OSHA regulations and industry best practices.
People
Mel Cerny
Founder
Founded GSI Engineering in 1973 with a focus on client-centered engineering solutions. His vision established the company's commitment to technical excellence and personalized service.
Tom Kettler
Geotechnical Services Manager
Manages geotechnical operations with expertise in foundation design and construction materials testing. Recognized for technical leadership in complex infrastructure projects across the Midwest region.
Questions
What engineering services do you specialize in?
We specialize in geotechnical engineering, environmental consulting, construction materials testing, and EHS compliance services for infrastructure projects.
Do you work on large-scale infrastructure projects?
Yes, we've completed work on major projects including university campuses, transmission lines, and wind farms across the Midwest region.
How does your drilling service support environmental projects?
Our drilling services support environmental remediation through direct push sampling, monitoring well installation, and subsurface contaminant characterization.
What safety certifications do your teams hold?
Our teams maintain OSHA certifications and follow comprehensive safety programs that have been recognized industry-wide for excellence.
Will your services remain available after the UES transition?
Yes, the transition to UES maintains our same team members and service commitments while expanding technical resources for clients.
Reviews (2)
Mollie Hayes
Jun 23, 2020 Report
Thank you to the 2 employees that have been working in Haysville at the laundromat! They made our 2 year old sons by letting him wear their hardhats and sit on their equipment for a picture!
J. H. Wilson
Jan 09, 2018 Report
I have known these professionals for almost 5 years now and see very regularly how they focus on customer satisfaction through excellent service. There are a few companies out there so make sure to call Dave & Chuck first before making such an important decision regarding a large project.