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civil underground

Extensive civil underground experience

We are one of the largest and most trusted substructure companies in Southern California, and our experience and workforce are second to none. Our clients give us continual positive feedback about our crews, which reflects the quality and commitment we bring to our work.  

We’ve built, repaired and replaced vaults of all shapes and sizes. We’ve installed panels, walls and floors while vaults remain in service. Our grading, paving and foundation services round out the job. 

crew installing a vault


  • Vault installation and repair
  • Conduit and innerduct install 
  • Directional drilling and boring 
  • Concrete and foundations
  • Sidewalk, curb, and gutter repair and replacement
  • Asphalt paving/grind/cap
  • Panelized vault replacement
  • Excavation
  • Traffic control