We operate an in-house materials testing laboratory where a variety of laboratory tests are routinely performed on selected soil and rock samples in accordance with established ASTM, AASHTO, or other standard test methods. Our laboratory is currently certified by the AASHTO Materials Reference Laboratory (AMRL) for soil testing, Cement and Concrete Reference Laboratory (CCRL) for concrete testing, and the U.S. Army Corps of Engineers for testing soil and concrete. Our laboratory is fully equipped to run the following tests on soils, concrete, asphalt, grout, and mortar.