Brands

Geo-Logic is a thriving multidisciplinary firm—we’re growing to deliver collaborative, client-focused solutions.

House of Brands

GLA is an independent firm unified with wholly owned subsidiaries (brands) aligned with our values and approach. Strategically growing as a team of technical experts, our complementary services can support diverse markets.

Direct Access to Broad Expertise

Clients benefit from GLA’s in-house experts who are complemented by specialized talent across all GLA brands and geographies, working together seamlessly as one team.

Visit Our Brands’ Pages

Andrews Engineering is a full service, multidisciplinary engineering organization serving areas in Illinois, Indiana, and Missouri.

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Clear Creek Associates is a subsidiary of GLA providing practical solutions in groundwater science.

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Daniel B. Stephens & Associates, Inc. is a subsidiary of GLA providing geologic, engineering, water, and environmental consulting.

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Geo-Logic provides solutions to challenges for landfills, mines, contaminated sites, municipal projects, natural resources, and water resources.

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Peruvian consulting firm focused on geology, geotechnics, hydrogeology, civil design and environmental engineering projects.

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John Shomaker & Associates provides expert hydrogeology services throughout the Southwest.

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Kunkel Engineering Group provides consulting, engineering, surveying, construction management, and funding procurement services exclusively to municipal clients.

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