labGeoTest maintains an accredited laboratory in West Allis, Wisconsin as well as laboratories in Appleton and Sun Prairie, Wisconsin.  Our laboratories perform a wide range of rock, soil, concrete, hot-mix asphalt, aggregate, and other construction materials testing.  The laboratory tests that we offer are conducted in strict compliance with ISO, ASTM, AASHTO and other applicable test standards.

Our laboratory equipment is maintained and calibrated at regular intervals to assure reliable performance.  We participate in concrete, aggregate, and soil proficiency testing programs under the AMRL and CCRL auspices.  We are assessed by Laboratory Accreditation Bureau and WisDOT on a regular basis to ensure quality test results.

GeoTest performs laboratory tests on the following materials:

  • Soil
  • Concrete
  • Hot-mixed Asphalt
  • lab-testingAggregates
  • Rock
  • Dimension Stone
  • Soil-Bentonite Slurry
  • Soil-Cement
  • Soil-Lime
  • Ash and Sludge for by-product utilization
  • Mortar
  • Grout
  • Brick
  • Concrete Masonry Units
  • Proppant (Frac Sand)


Mobile Laboratory Services

mobile_testing_trailerGeoTest owns several mobile laboratories, designed, and equipped to perform the specified tests required for construction projects.  Our labs are designed for high volume road and airport paving projects.  Materials tested in the mobile labs include soils, aggregates, hot-mix asphalt and concrete.