Border States to Acquire Dominion Electric Supply Company, Inc. Click here to learn more.


Supply Counter Information


16608 Oakmont Ave, Gaithersburg, MD 20877


English, Spanish

Counter Manager

Sean Unzicker

Visit Us in Gaithersburg

Welcome to Gaithersburg, Maryland, where Dominion Electric Supply Company Inc. has been your go-to electrical distributor for over 80 years. Our mission is simple: providing you with the right electrical products, at the right time, in the right quantities, and at the right price. 

In Gaithersburg, we understand the importance of local service. With 10 convenient counter locations and a massive 125,000 sq ft Distribution Center in Curtis Bay, we are committed to ensuring your electrical needs are met promptly and efficiently. Our fleet of 50+ delivery vehicles is at your service, ensuring that your orders reach you on time. 

At Dominion Electric Supply, we offer more than just products; we provide access to a vast network of 700+ manufacturers, technical expertise, training, and logistical support. Whether you need everyday materials like raceway and wire or sophisticated equipment like uninterruptible power supplies (UPS), we’ve got you covered. 

Our company’s strength lies in our people, who have adapted and grown with the marketplace, just like Gaithersburg itself. Our dedicated team, some with over 50 years of experience, is here to serve you. Dominion Electric Supply is also part of the Dominion Electric Supply family, which includes Dominion Electric Supply Company of Washington, LLC, serving the DC market. 

Come experience the Dominion Electric Supply Company Inc. difference in Gaithersburg, where our commitment to your success and our deep community roots makes us your trusted partner in the electrical industry. 

Visit us today and discover why we are the electrical distributor of choice for businesses in Gaithersburg and beyond.

Get In Touch

Contact us today to learn more about how we can help you streamline your material buying and handling processes.

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