Your DC Electrical Supplies Connection Since 1957

Dominion Electric Supply Company of Washington, LLC opened in 1957 in Washington, DC as a local, family-owned supplier of electrical products. As our customers’ needs changed and evolved, so did our business. Today, 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.

  • Commercial Lighting

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

  • wire-spool

    Datacomm Solutions

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

  • Switchgear / Power Distribution

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

  • Materials

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

  • Facility & Energy Management

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

  • Government Sales

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

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