DA Smith services a wide array of clients on the Western Slope, including the Federal Highway Administration (FHWA), CTL Thompson, Gerhart Cole, Cesare Inc., DOWL, CGRS, RockSol, Walter Environmental & Engineering Group, Lithos Engineering, Ninyo and Moore, Lincoln-Devore, and others. Projects include auger drilling, disturbed and undisturbed soil sampling, standard penetration testing, GeoProbe direct push sampling, ODEX drilling, mud rotary drilling, bedrock coring, contaminant sampling, water sampling and monitoring wells, and piezometer installations. Sites range from drive-up to difficult-access locations on public and private property