About us

Providing solutions for the full spectrum of civil construction since 1995


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.


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.


Family owned firm providing quality services and employing the best in the industry since 1995.


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.


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.


Our staff has experience in municipal treatment plants, lift stations, waste water collection and potable water distribution systems.


We have completed projects handling all types of soil in any water condition including underwater conditions unique to Florida.


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.


Harlan R Sunquist Sr.

Senior Estimator

Patricia A Sunquist


Sophia Sunquist

Vice President

James Pastor Jr.


William Chapman Sr.

Project Manager

Kevin E Lane

Director of Operations

Benjamin Blue


Rodney Oliver


Frankie Richardson


Chuck Chapman


Cynthia Huckaby-Reiser

HR / Office Manager

Sarahi Perez

Jobsite Manager

Adriana Picerno

Staff Accountant

Adriana Picerno

Accounts Payable

Rick Schaffer


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.


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