GeoTek Engineering and Testing Services is a professional services firm, serving a wide variety of clients in South Dakota, North Dakota, Iowa, Minnesota and Nebraska. Since 1988, we have provided consulting services in the areas of:

Geotechnical Engineering
Construction Materials Testing
Environmental Consulting

We have a dedicated, experienced staff of engineers, geologists, scientists, and technicians with a reputation for reliable and accurate service. Regardless of the size of your project, you can rest assured that GeoTek has the resources, experience and knowledge to effectively and efficiently provide the service you need.

Company Mission Statement
"Our mission is to provide our clients in the upper Midwest integrated engineering services in the fields of geotechnical engineering, construction materials testing and inspection, environmental consulting and industrial hygiene with an experienced professional staff working as a team, providing common sense, practical and economical solutions."