GeoTek Engineering & Testing Services, Inc.

Common Sense, Practical & Economical Solutions

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About the firm

GeoTek Engineering & Testing Services, Inc. is a privately owned geotechnical and environmental consulting firm founded in 1988 and based in Sioux Falls, South Dakota. Serving clients across a five-state region (South Dakota, North Dakota, Iowa, Minnesota, and Nebraska), GeoTek provides geotechnical engineering, construction materials testing and inspection, environmental consulting, and industrial hygiene services. The team includes registered professional engineers, certified professional geologists, certified industrial hygienists, experienced drill crews, technicians, and scientists with a track record on projects ranging from university arenas and school fine arts centers to water treatment plants, medical centers, grain storage facilities, and government buildings.

Established
1988
Firm type
Geotechnical Engineering · Materials Testing · Environmental Engineering

Credentials

Registered Professional Engineers on staff · Certified Professional Geologists on staff · Certified Industrial Hygienists on staff

People

Ralph E. LindnerPresident / CEO

Daniel R. HansonGeneral Manager

Jared HaskinsGeotechnical Manager

Shane LindnerMaterials Unit Manager

Capabilities

Geotechnical Engineering

Service website

Geotechnical engineering services for a wide range of construction projects across the five-state region, with expertise in subsurface investigation, earthwork evaluation, foundation design recommendations, and on-site observations during subgrade preparation, excavation, and foundation construction.

  • Subsurface Investigation

    Drilling operations, boring layouts, and subsurface soil exploration under the direction of licensed engineers.

  • Foundation and Earthwork Evaluation

    Evaluating and providing recommendations for repair where subgrade or foundation soils have resulted in distress to pavements or structures.

Construction Materials Testing

Service website

Construction materials testing and inspection performed at the project site or in-house laboratory to ensure project specifications and governing building codes are met.

  • Field Inspection and Testing

    On-site construction materials testing and quality assurance for earthwork, concrete, masonry, and other construction materials.

  • Laboratory Testing

    In-house laboratory analysis of construction materials to verify compliance with project plans and specifications.

Environmental Consulting

Service website

Environmental consulting covering a broad spectrum of services including indoor air quality assessment, emergency spill response, and site environmental evaluation.

  • Indoor Air Quality

    Assessment and consulting for indoor air quality issues.

  • Emergency Spill Response

Industrial Hygiene

Service website

Industrial hygiene services provided by certified industrial hygienists on staff.

Industries

Commercial · Residential · Industrial · Education · Government · Healthcare · Agriculture · Sports & Recreation

Projects