Geotechnology offers a wide range of consulting and design services in applied earth and environmental sciences, geotechnical engineering, materials testing, geophysics, drilling and construction observation. The firm s goetechnical capabilities include foundations, dams, levees and floodwalls, roadways, bridges and buildings, earth retention systems, site evaluation, earthquake engineering and subsurface exploration. It provides environmental services that focus on site redevelopment compliance and solid and hazardous waste management. Geotechnology features geophysical applications, such as buried utilities, tanks and drums, karst features and depth to bedrock. It performs concrete, soil, asphalt and steel testing. The company serves real estate development, infrastructure, institutional and governmental industries. Geotechnology is based in St. Louis.