About Tri County Underground of SC

Tri County Underground of SC has been the leading Utility Contractor in Charleston for over three decades. We offer a wide range of contracting services to repair, replace, and upgrade utility sources. Whether you are looking to renovate an existing infrastructure or add an entirely new extension, we can help you find solutions and overcome roadblocks using our years of experience and tenacity. Our industry expertise allows us to get the job done no matter what obstacles are in the way.

Tri County Underground of SC is also approved to work on military installations in the area such as Joint Base Charleston, MCAS Beaufort and MCRD Parris Island.


what we do for our clients

Advanced Equipment and Resources

At Tri County Underground of SC, we have invested in the latest technology and equipment to ensure the safety of our customers, their properties, and the community. Our equipment is state-of-the-art and well-maintained so that we can provide the most seamless process to get you up and running as quickly as possible.

Our crew is fully equipped with hydraulic reel trailers, electronic utility locating equipment, mini-excavators or backhoes, and mud spoils vacuum units. Through the use of innovative tools and equipment, we specialize in public utility electric work and horizontal directional boring, serving water & sewer, communication & fiber optic, and electric & gas industries.

Dont Trust Just Anyone

You never know what is lurking just below the surface, but we do. We give our customers eyes where they need to be and make sure we avoid obstacles, hazards, and roadblocks so you can complete your construction project. Most importantly, we are there when you need us so you can stay on time, on budget, and on track throughout your construction process.

Committed to
the Community

Tri County Underground of SC is a family-owned and operated business that not only serves the Charleston area; we are members of the community. We care greatly about our customers’ experience, and our responsiveness and reliability. At Tri County Underground of SC, we have a well-established reputation for exceptional service and our willingness to find creative, innovative, and cost-effective solutions to facilitate your underground construction needs.

Contact Us Call us now843-207-4479