Underground Construction Company, Inc. has successfully executed gas transmission...


Underground Construction Company, Inc has installed electrical transmission and distribution...


Since the 1970’s, Underground Construction Company, Inc. has constructed fuel...


Underground Construction Company, Inc. has worked in industrial plants, refineries and rails...

About Us

Underground Construction Company., Inc.Underground Construction Company, Inc. headquartered in Benicia, California, has provided quality gas, power, airport fueling and telecom construction services for over 80 years.

Since laying our first pipe in 1936, we have successfully completed thousands of government, commercial and private sector construction projects throughout the United States. Underground Construction Company, Inc. is one of the oldest and most respected contractors in the West. We continue to lead our industry in safety, quality, customer satisfaction and community service.

Current Projects


  • I-048A Sierra Vista Station Launcher
  • I-048C Elbow Digs
  • I-048B Rengstorff Station Receiver
  • Electrical

  • Electric Transmission: Chino Hills 500KV Underground transmission PAR
  • Electric Distribution: Cable Replacement Program
  • Wooden Enclosure, and Transformer replacements, PG&E
  • Fueling

  • Hunter Army Air Field Fuel Island Upgrade
  • EWR (Newark International Airport) – Aviation Fuel System Modifications

Safety & Training

    "Our goal is zero incidents and we are committed both personally and professionally to achieve this goal, year after year. Our safety record is second to none and it is the result of a sound safety program, continuous training, education, hard work and discipline. Our goal is that every worker goes home safely every night. Sounds simple doesn’t it? But it’s not! It takes a genuine commitment to employee education, strict adherence to safety policies exceeding regulatory requirements, and a culture that reinforces safety is job one! Underground Construction Company, Inc."

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Industry Affiliations

Underground Construction Company, Inc.'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.