About us
Providing solutions for the full spectrum of civil construction since 1995
OUR MISSION
To redefine the customer service standard in the construction industry.
Why Spectrum?
Service Excellence
We approach construction differently, delivering value beyond our client's expectations.
People as Our Foundation
Our team is composed of the best and brightest in the industry.
Relationship-Driven
We employ an open and collaborative approach with our customers.
Local Only
We strive to keep our projects local, as a result, keeping our people local.
History
Family owned firm providing quality services and employing the best in the industry since 1995.
Mission
Our mission at Spectrum Underground, Inc is to approach every project with a team perspective. Our success is dependent on our people and the satisfaction of our clients, therefore, we provide quality design, planning and scheduling to complete projects on time.
Vision
To be Sarasota’s preferred Underground Utility Contractor. To be the employer of choice in our area and give back to our community and lower our ecological footprint.
Infrastructure
Our staff has experience in municipal treatment plants, lift stations, waste water collection and potable water distribution systems.
Pipelines
We have completed projects handling all types of soil in any water condition including underwater conditions unique to Florida.
Demolition
We asses building structures to determine the most efficient method of demolition.
Road & Highway Construction
Our firm maintains equipment and personnel proficient in asphalt paving, base work, concrete curbing and flatwork.
Meet Our Team

Harlan R Sunquist, Jr.
President

Harlan R Sunquist Sr.
Vice-President
Senior Estimator

Patricia A Sunquist
Secretary/Treasurer

Sophia Sunquist
Vice President

James Pastor Jr.
Estimator

William Chapman Sr.
Project Manager

Rick Schaffer
Superintendent

Kevin E Lane
Director of Operations

Benjamin Blue
Superintendent

Rodney Oliver
Superintendent

Cynthia Huckaby-Reiser
HR / Office Manager

Sarahi Perez
Project Administrator

Adriana Picerno
Accounts Payable
Who we are
At Spectrum Underground, Inc. we know that there is more to civil construction than just moving dirt. That’s why beyond the scope of excavation and grading, our firm has the personnel and equipment to complete the most complex infrastructure installations, road and bridge construction, as well as many capabilities found only in specialty firms.
At Spectrum Underground, Inc. we realize that our success is dependent on the success of our clients. That is why we approach every project with a team approach. From value engineering in design to planning and scheduling, our team of professionals assure our clients of quality economical construction completed in a timely manner.
