Gaithersburg

Welcome to Gaithersburg, Maryland, where Dominion Electric Supply is your trusted electrical distributor. Our mission is simple: to provide the right products, at the right time, in the right quantities, and at the right price.

We know how important local service is. With 10 convenient counter locations and a 125,000 sq. ft. Distribution Center in nearby Curtis Bay, we’re committed to meeting your electrical needs quickly and efficiently. Our fleet of 50+ delivery vehicles ensures your orders arrive on time, every time.

At Dominion Electric Supply, we offer more than products—we provide access to a network of 700+ manufacturers, along with technical expertise, training, and logistical support. From everyday essentials like raceway and wire to advanced equipment such as uninterruptible power supplies (UPS), we’ve got you covered.

Our strength lies in our people. The Gaithersburg team combines industry knowledge, dedication, and a customer-first approach to support your success. Backed by a regional network, they deliver both expertise and reliability across every project.

Discover the Dominion Electric Supply difference in Gaithersburg, where service, convenience, and trusted partnerships make us the distributor of choice for businesses throughout the region.