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Dominion is closed for the Memorial Day weekend - May 26,27, and 28th. Have a safe and happy holiday.Please note, only some locations are usually open on Saturdays, none on Sundays. Happy New Year!
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Dominion Electric Supply Company's main office is in Arlington, Virginia, with several branches located around the Washington/Baltimore metropolitan area.

Please select one of our locations to the right for the hours of operation, street address, phone, fax and contact information. 

Our LIGHTING SHOWROOMS are located in


Dominion Electric Supply of Washington, LLC, a registered District of Columbia Corporation, is located in the heart of Washington, DC – a certified Local Business Enterprise (LBE) in the District of Columbia Certified Business Enterprise (CBE) program. Learn more at

Our locations are not only conveniently located, each are staffed by professionals who can handle any need.