Extensive civil underground utility substructure experience

Being one of the largest and most trusted substructure companies in Southern California, Our experience and workforce is second to none in our industry. Our clients continual positive feedback on our crews reflect the quality and commitment we bring to our work. With our large fleet of heavy equipment, cranes, dump trucks and backhoes, no project is too complex for our company to handle.


Civil underground utility substructure services include:

  • 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 

Related projects

  • Santa Barbara Tree Farm Transmission
  • Sewell SCE Rule 20 (SCE, Frontier, Time Warner)
  • Southern California Edison- 3 Year Civil Sourcing Contract -Metro East
  • Caboose SCE Rule 20 (SCE, Verizon, Time Warner)
  • 400 Spectrum Drive
  • Southern California Edison- 3 Year Civil Sourcing Contract -Northern Rurals 2012- 2015
  • Verizon Wireless - Ayala Park
  • St. Mary's Medical Center
  • Southern California Edison 66kV Relocation
  • Southern California Edison Spades 12KV DSP
  • Greenspot Transmission Substation
  • USC Infrastructure Upgrade
  • Pacific Medical SCE Transmission
  • TRTP Duct Farm
  • North Colton Substation
  • AV Solar Ranch One
  • Nisquali Road Bridge Crossing
  • Cherry Ave Bridge @ I-10 FWY
  • Victoria Ave OH - UG
  • Heritage Park 66KV
HeritagePark450

Heritage Park

Irvine, CA
Greenspot450

Greenspot

Highland, CA
Civil450
VAULT INSTALLATION BANNING
Spectrum Drive

Spectrum Drive

Irvine, CA
91 Freeway Expansion
Huntington Beach

SCE Sewell Rule 20A

Huntington Beach , CA