# MILES of Transmission Line Built
# MILES of Pipeline Installed
# STATES Served
# MILES of Transmission Line Built
# PROJECTS Delivered
# CREWS in the Field
90 YEARS in Business
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.
& Distribution
miles of electrical conduit
and cable, as well as precast
and cast-in-place enclosures
in a variety of environments.
& Distribution
Co., Inc. has completed gas
transmission and distribution
projects for well over 50 years.
Co., Inc. has been constructing
fuel storage facilities, pumping
systems, pipelines, and hydrant
systems at airports nationwide
to support direct fueling
of aircraft.
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.
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.
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.
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