• Stay in Garrett County

  • Tri-State Trench and Bore

    • Engineers & Surveyors
    • Excavating Contractors
    • General Contractors
    • Utilities
    120 Smooth Valley Drive
    Grantsville, MD 21536
    (301) 501-1724

    About Us

    A company dedicated to providing its customers with a good experience in underground utility installation.
    • About

      A company dedicated to providing its customers with a good experience in underground utility installation.

    • Media