Building Critical Infrastructure Since 1936. Electrical Gas Fueling Build your career from the ground up with us. View Open Positions Industrial Delivering with Safety, Precision, and Purpose. Electrical Gas Fueling Build your career from the ground up with us. View Open Positions Industrial Driven by our People. Defined by
Performance.
Electrical Gas Fueling Build your career from the ground up with us. View Open Positions Industrial

The Underground Way

Underground Construction Co., Inc. has provided efficient gas, power, airport fueling and telecom construction solutions for 90 years. Since laying our first pipe in 1936, we have successfully completed thousands of governmental, commercial and private sector construction projects throughout the United States. As one of the oldest and most respected contractors in the West, we continue to serve our industries with the highest safety, quality and customer satisfaction.

Electrical Transmission
& Distribution
Our crews have installed
miles of electrical conduit
and cable, as well as
precast and cast-in-place
enclosures in a variety of
environments.
Learn More
Gas Transmission
& Distribution
Underground Construction
Co., Inc. has completed
gas transmission and
distribution projects for
well over 50 years.
Learn More
Aircraft Fueling Underground Construction
Co., Inc. has been
constructing fuel storage
facilities, pumping
systems, pipelines, and
hydrant systems at
airports nationwide
to support direct fueling
of aircraft.
Learn More
Industrial We are the contractor of
choice for industrial projects
because our team is
comprised of professionals
who have experience with
design, installation and
maintenance of mechanical
and structural components
of highly specialized facilities.
Learn More

SAFETY & TRAINING

We Are Committed to Zero.

We pride ourselves on the emphasis we place on employee safety, backed by our safety programs, trainings and education. All Underground Construction employees are committed to the highest safety policies exceeding regulatory requirements to complete each project.

UCCo BY THE NUMBERS

827 Active employees.

1,286+ Pieces of Equipment.

50 STATES served over the last 90 years.

3.7M Miles Miles Driven YTD.

377 Academy Modules created.

24,064 Academy Courses completed.

90 YEARS in Business

Careers that empower

At Underground Construction Co., Inc., we believe that we are better together. All of our team members are essential to our success. Our strength comes from our numbers. We value the power of teamwork and encourage all of our employees to strive for their personal success and growth. Build your career from the ground up with us.

Campus Consolidation

LOCATION: Vandenberg Space Force Base, California
CUSTOMER: US Space Force
COMPLETION: 2026

Installing a new underground duct bank and overhead transmission line for a new Space Force campus.

Power Santa Clara Valley

LOCATION: San Jose, California
CUSTOMER: LS Power Grid
COMPLETION: 2026

The LS Power, Power the South Bay, and Power Santa Clara Valley Projects span Newark, Fremont, Santa Clara, and San Jose, CA, about 24 miles of new transmission line (underground duct bank, HDD, jack-and-bore) plus 2.5 miles of overhead line, with 42 trench-connected vaults.

Power the South Bay

LOCATION: San Jose, Freemont, Santa Clara, California
CUSTOMER: LS Power Grid
COMPLETION: 2026

The LS Power, Power the South Bay, and Power Santa Clara Valley Projects span Newark, Fremont, Santa Clara, and San Jose, CA, about 24 miles of new transmission line (underground duct bank, HDD, jack-and-bore) plus 2.5 miles of overhead line, with 42 trench-connected vaults.

Rainbow L-1600

LOCATION: Fallbrook, California
CUSTOMER: SDGE
COMPLETION: 2026

Lorem ipsum dolor sit amet consectetur adipiscing elit. Quisque faucibus ex sapien vitae pellentesque sem placerat.

56C Cable Replacement

LOCATION: California, USA
CUSTOMER: Underground Construction
COMPLETION: 2026

Installation of new conduit and cable, replacing failed conduit and cable sections from TX to TX. Usually 200′ – 1500’.

Placerville

LOCATION: Placerville, California
CUSTOMER: Underground Construction
COMPLETION: 2026

26 miles of civil electrical distribution work in rural Placerville, California. To increase production, we utilized a Mastenbroek Trencher.

Training Opportunities

In an effort to provide the most efficient and effective solutions, we are proud members of construction alliances and associations that enable us to do our best work for our customers.

We Are Team Quanta

In 1998, Underground Construction Co., Inc. further enhanced its capabilities by teaming up with Quanta Services, Inc., a fully integrated, nationwide network of respected firms that construct transmission and distribution facilities for the electrical, petroleum and gas industries. As a subsidiary of Quanta Services, Inc., Underground Construction Co., Inc. is empowered to commit to larger, more complex projects, while utilizing the specialized resources of our sister companies.

UNDERGROUND CONSTRUCTION CO., INC. © 2026

Privacy Overview

This website uses cookies so that we can provide you with the best user experience possible. Cookie information is stored in your browser and performs functions such as recognizing you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful.