Est. 1957

Dominion Electric Supply Company of Washington, LLC

The Power of Partnership

WDC1957captioned 768x355 2

Your DC Electrical Supplies Connection Since 1957

Our company was founded in 1957 in Washington, DC as a local, family-owned supplier of electrical products. In 2002, Dominion Electric Supply Company of Washington, LLC was formed.

Today, we are a registered District of Columbia Corporation and a certified Local Business Enterprise (LBE) in the District of Columbia Certified Business Enterprise (CBE) program.

As our customers’ needs changed and evolved, so did our business. Contractors, builders, maintenance managers, and specifiers turn to us for residential and commercial lighting, switchgear quotations, electric heat systems, energy-saving solutions, and datacomm materials.

Areas of Expertise

Our experienced staff members are here to help you operate your business more easily, efficiently, and profitably. Turn to us for help with any of the areas below.


We'll help keep your projects on track, on budget, and on time while coordinating with other contractors' schedules.


You can trust our experience estimating, laying out, and managing switchgear projects.


Whether you need cable, pipe, fittings, or more, you have access to resources throughout the DMV to fill even the largest orders.


Turn to us for communications cable, patch cables and panels, voice and data connectors, and more for your datacomm projects.


You can reduce your energy costs while improving efficiency. The more energy you're currently consuming, the more you'll save.


You'll get your best shot at winning bids backed by our thorough knowledge of government compliance and regulations.

In the News

From Our Blog

You Deserve Some Credit

Submit a Credit Application Did you know you could apply for a credit account with Dominion Electric Supply Company of Washington, LLC? …


2022 Lutron Diva 2 Pack Mini Slider

Click to learn more about our current promotions


Schneider Recall Notice header

Schneider has issued a product recall safety notice on the QO™ Plug-On-Neutral Load Center. Affected devices need to be inspected. For more information and instructions, visit:

Copper Pricing

Skip to content