How do you want to buy your electrical supplies?


Welcome to Dominion Lighting

Visit our newly remodeled showroom at 5053 Langston Boulevard, Arlington


Located at 6600 Cabot Drive, this new 125,000-square-foot facility features a full-service supply counter and wire shop, materials sales offices, commercial lighting and switchgear departments, plus the largest electrical warehouse in the Baltimore area. 

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Empowering Blog


ABB Carlon Images

What’s New at ABB Carlon?

Carlon® sets the standard for non-metallic indoor and outdoor boxes, conduit bodies and fittings, enclosures and more. Theuy supply the industry with innovative ideas, easier upgrades and a long, service-free product life. Click here to visit our microsite and find out what’s new, download catalogs and brochures, watch videos, and more!

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:

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pick up orders on your schedule.

Running behind Stuck in traffic? No time to wait? Order from by 3:30 p.m. and you can pick up your oder from a locker after 4 p.m. or the next morning! (Based on product availability and size of order.) Click here for more information.

are you Looking for a careER?

Girl & Guy with plants

If you're looking for a career, not just a job,  we want to talk with you. We're hiring for a number of positions! Wherever you start, you'll get the training you need to succeed.  Most managers and vice presidents started in the warehouse or at the sales counter. You provide the motivation, we'll provide the opportunity. Click here to visit our "Careers" page.

now you can pay your bills online!

Now you can manage and pay your invoices online in one secure location, anytime, from anywhere. If you don't have an account, go to Use your Account Number and Enrollment Token printed on your statement to sign up. Streamline your billing and payments with online account management.


Each of our divisions has experienced people who are here to help you operate your business more easily, efficiently, and profitably. Click on the "Divisions" menu above or one of the green headers below to learn more about the products, services, and people at Dominion.

  • Commercial Lighting

    We'll help keep your projects on track, on budget, and on time while staying true to your designer’s intent and coordinating with other contractors schedules.

  • Residential Lighting

    Visit our redesigned Dominion Lighting showroom in Arlington, plus our Chantilly and Laurel locations. To learn more, visit

  • Switchgear / Power Distribution

    You can trust our team's more than a century of collective experience estimating, laying out, and managing switchgear projects.

  • wire-spool


    With Southwire-certified pulling head installers, managed cabled services, wire paralleling, wire cutting, and more, we're ready to serve the DMV area!

  • Material Sales Group

    Every day, 32+ trucks leave our distribution centers with wire, conduit, switches, and more. Eighty percent of that product is ordered through our material sales group.

  • Contractor Services

    Save time, labor, and money with materials management, delivery options, our new app, and more services designed to make your job a little (or a lot) easier.  



Dominion Electric Supply Company, Inc. serves a number of markets. Click a photo for more information plus links to product groups, calculators and tools (apps), manufacturers, and projects.

Nestle Building w Permission

Commercial Construction

Offices, factories, warehouses, retail

Residential Market

Residential Construction

Houses, apartment buildings, condos



Schools, colleges, hospitals, clinics

White House


Government buildings, structures

Spy Museum

Recreation & Leisure

Parks, hospitality, private museums

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