Personalized Engineering and Environmental Solutions

Backed by 45 years of experience and superior customer service

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Engineering, Construction, and Environmental Projects

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At GSI, we understand what it takes to succeed in today’s business climate. GSI is an innovative industry leader in geotechnical, environmental and material engineering, known by our clients for our technically superior, quality work delivered on time. The company provides consulting services on a wide range of projects.

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Clients Love Working with GSI

I was very impressed with GSI’s participation with the Broadway Street Bridge design and testing. I was very impressed with Tom Kettler, Geotechnical Services Manager, and the staff who prepared the load testing apparatus testing instrumentation in their shop.

Todd Holen, Mies Construction