Geotechnics is an independent accredited laboratory, with locations in Pittsburgh, Raleigh, Nashville and St, Louis, that provides: Geotechnical and Geosynthetic Laboratory and Field Testing services. We are nationally recognized for our: Wide Range of Testing Capabilities, Extensive experience, Responsive customer service, professional staff and quality results. Accreditations include: NQA-1 for Nuclear, AASHTO-AMRL, GAI.LAP, Army Corps of Engineers, and CCRL.