Est. 1940

Dominion Electric Supply Company, Inc.

The Power of Partnership

Your Mid-Atlantic Electrical Distributor

Nestle Headquarters

Nestle Headquarters

national cancer society bethesda

National Cancer Institute

A Trusted Business Partner: Supporting Your Success

For nearly a century, Dominion Electric Supply has been energizing and illuminating spaces, from iconic institutions, corporate offices, and community developments, to your neighbor next door.  We’re more than just the largest family-owned and operated Electrical Distributor in the DC and Baltimore market. We’re also proud to be your partner.

Our dedicated team of professionals is committed to empowering your commercial, residential, government, business, or institutional spaces with products and services that seamlessly blend functionality and aesthetics while staying on budget and on time.

THESE ARE JUST A FEW OF THE SPACES OUR TEAM HAS HAD THE PLEASURE OF POWERING & ILLUMINATING:

Divisions

In each of our divisions, you’ll find experienced teams ready to support your business with effective solutions, project timeliness, and with your budget parameters in mind. 

COMMERCIAL LIGHTING

Your partner in crafting meticulously planned lighting schemes that seamlessly integrate architectural design and respond to end-user needs. Together, we create spaces that are not only inspiring and innovative, but also breathtakingly beautiful.

SUPPLY COUNTERS

Your go-to resource for all electrical supply needs. Our knowledgeable and skilled staff stand ready to support your project with top-tier products from leading manufacturers.

MATERIAL SALES

Our dedicated team of professionals act as an extension of your business, guaranteeing that the products you require are ordered and on track to reach your job site.

RESIDENTIAL LIGHTING

Exceptional homes deserve brilliant lighting. Let our team guide you in creating your personal sanctuary. Showrooms: Arlington & Chantilly DominionLighting.com

SERVICES

Innovative solutions drive your teams success. We partner with your business to discover efficiency through materials management, flexible delivery options, and tailored services.

SWITCHGEAR / POWER DISTRIBUTION

Power is becoming more complex to manage, distribute, and integrate into our everyday lives. Let our skilled team create your complete power solution.

Duke Ellington School of the Arts

In the News

Dominion Lighting project

How Virginia Tech Aims to Drive Innovation with its NoVA Campus

The Innovation Campus is part of a mission to tackle the tech industry’s talent shortage and keep the U.S. competitive.  Lighting solutions created by Dominion Commercial Lighting Team. 

A person holding a phone

Wiser Energy Home Power Monitor with Load Control

Let our Dominion team guide you on your home energy management solution. The Wiser Energy™ home power monitor helps you manage the electricity usage in your home, from the circuit to the plug level, all from your fingertips using the Square D™ edition of the Sense app.

A building with cars parked in a parking lot

Groundbreaking held for new middle school in Rosedale area

In partnership with our Commercial lighting team, supporting with lighting and power solutions for a complex project. Baltimore County Public Schools broke ground on a new middle school in the Rosedale area – the first new school in this part of the county since 1974.

Vendor Spotlight

Dominion Electric is proud to supply clients with the most superior products available from a wide selections of the best vendors in the industry

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