MDU Construction Services Group’s excavation and underground companies ​​provide a diverse set of services for customers across the country. Our capabilities include natural gas ​and pipeline placement, directional drilling, cable and duct plowing, hydroexcavation or vacuum excavation, and conduit and vault installation.

Civil underground

  • Vault installation and repair
  • Power and communication infrastructure
  • Conduit and innerduct install
  • Concrete and foundations
  • Sidewalk, curb, and gutter
  • Excavation

Directional drilling

  • Faster and safer alternative
  • Installation under waterways
  • State-of-the-art fleet
  • Pull up to 100,000 pounds
  • Install up to 36" pipeline
  • Single and multiple pipe configurations

Vacuum excavation

  • Bore mud removal
  • Small and large pit excavation
  • Utility potholing
  • On-board core saws for hard surfaces
  • Large, state-of-the-art fleet

Natural gas pipeline

  • Main, distribution and service line installations
  • New and conversion services
  • Restoration services
  • Serving utilities, businesses and homes

Grading and paving

  • Asphalt concrete and concrete restoration
  • From potholes to full trench-wide asphalt concrete patches in roadways
  • Road building
  • Site grading
  • Paving

Cable plowing

  • From small drops to large, long-haul cable laying projects
  • Place up to 6" cable/duct
  • Vibratory and static methods
  • Wide range of equipment