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Geotechnology provided a comprehensive range of consulting services in applied earth and environmental sciences; exploration; geotechnical engineering; underground consulting services; soils, rock, and construction materials testing; non-destructive testing; special inspections; geophysics and deep foundation testing, building envelope, occupational health and safety, and building code compliance services. The Geotechnology family of firms was part of thousands of major construction projects in the Midwest regions and was ranked No. 407 in ENR’s Top 500 Design Firms. Based in St. Louis, Missouri, Geotechnology had offices in Missouri, Illinois, Kansas, Ohio, Kentucky, Tennessee, Mississippi and Arkansas.

Geotechnology was acquired by UES in June of 2021.