Clients

We are proud to have served the following clients:

Underground Construction's dedication to safety, quality and continuous improvement has enabled us to build and maintain strong client relationships resulting in repeat business with over 90% of our customers.

FUELING

  • Aircraft Service International Group
  • Allied Aviation Fueling Company
  • America West Airlines
  • American Airlines
  • Burns & McDonnell
  • Continental Airlines
  • DFW Airport
  • Delta Airlines
  • DHL Worldwide Express
  • Explorer Pipeline
  • Federal Express
  • Hartsfield International Airport, Atlanta
  • Hawaiian Fueling Corporation
  • Koepf & Lange, Inc.
  • LA West Terminal Fuel Corp.
  • LAX Fuel Corporation
  • Lockheed Air Terminal, Inc. Metropolitan Atlanta Rapid Transit Authority
  • Metropolitan Washington Airport Authority
  • Miami Dade Aviation Dept.
  • Nashville Airport Authority
  • Northwest Airlines
  • Ogden Aviation
  • Port of Oakland
  • PS Trading
  • San Jose Airport Fuel Consortium, LLC
  • SFO Fuel Company, LLC
  • Southwest Airlines
  • Swissport
  • The Austin Company
  • US Air
  • US Navy
  • United Airlines

INDUSTRIAL

  • Air Products & Chemicals
  • Chevron Land & Development
  • Chevron Research
  • Chevron USA, Inc.
  • Dow Chemical USA
  • Equilon
  • Explorer Pipeline
  • Exxon Company USA
  • General Electric Company
  • Geysers Geothermal Company
  • Levine Fricke
  • Mobil Oil Company
  • Mrs. Smith's Frozen Foods
  • Nancy's Specialty Foods
  • National Starch & Chemical
  • Oakland Scavenger Company
  • Occidental Geothermal
  • Pacific Refining Company
  • Parsons Energy & Chemical
  • Pepsi-Cola Company
  • Phillips Petroleum Company
  • Ralph M. Parsons Company
  • Shell Oil Company
  • TOSCO Corporation
  • TRW
  • Texaco, Inc.
  • Unocal Geothermal Division
  • Valero Refining Company
  • Waste Management, Inc.
  • Western Pacific Railroad

UTILITIES

  • Bay Area Rapid Transit
  • Bechtel Corporation
  • BNSF Railway
  • Black & Veatch
  • Burns & McDonnell U,F
  • Cal American Water
  • Calpine
  • Caltrans
  • CH2M Hill
  • Charles Krug Winery
  • Citizens Utilities
  • City and County of Honolulu
  • City of Napa
  • City of Oakland
  • City of Palo Alto
  • City of Piedmont
  • City and County of San Francisco
  • City of Vernon
  • East Bay Municipal Utility District
  • Electric Power Research Institute
  • Genentech
  • Getty Synthetic Fuels
  • Kaiser Hospital
  • Merced Irrigation District
  • Miles Laboratory
  • Morrison-Knudsen Company, Inc.
  • National Park Service
  • Pacific Gas & Electric Company
  • Pacific Presbyterian Medical Center
  • Robert Mondavi Winery
  • Sacramento Metropolitan Utility District
  • Safeway Stores, Inc.
  • Shasta Beverage Company
  • Silicon Valley Power Company
  • Southern California Edison
  • Southern Pacific Pipeline
  • Stanford University
  • Stanford Linear Accelerator
  • Sutter Health
  • Texas Medical Center
  • Truckee Sanitary District
  • United States Bureau of Reclamation
  • University of California
  • Washington Metropolitan Area Transit Authority
  • Wine World Estates

TELECOM

  • AT&T
  • Alcatel
  • Comcast
  • Contel
  • Fluor Daniel
  • Flour Global Services
  • GTE Mobilnet, Inc.
  • General Telephone of California
  • Homestead Development Company
  • ICG Telecommunications Group
  • Level 3 Communications
  • MCI
  • Metromedia Fiber Network
  • MFS Network Technologies
  • Nextlink
  • Pacific Bell Telephone
  • Qwest Communications
  • Roseville Telephone Company
  • Sandwich Isles Communications, Inc.
  • Southwestern Bell Telephone
  • Surewest Communications
  • US Sprint
  • Viacom Cablevision
  • Western Union
  • Williams Brothers
  • Wiltel Communications
  • XO Communications