Subsurface investigation and geotechnical evaluation for the design and construction of foundations and pavements. As a certified DBE we cover the following industries:- Transportation: Roadways, Bridges, Retaining Walls, High Mast Signs, Sound Walls, Rockfall Barriers, Embankment Slope Stability and Settlement, Dams Safety, etc.- Commercial & Residential Developments: Warehouses, Apartment Complexes, Single and Multi-Story Housing Structures, Parking Garages, Water Storage Tanks,..- Energy: Solar, Compressor Stations, Substations, Gas Plants, High Voltage Transmission Lines, Wind Turbines, Pipelines, - Geotechnical Laboratory and In-situ tests: SPT, CPT, DMT, Vane Shear, Electrical Resistivity, Thermal Resistivity, pH, Chloride, Soluble Sulfate, etc.