Dominion Electric Supply Co

16608 Oakmont Ave
Gaithersburg MD 20877
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Opening Hours

  • Mon: 5:30am-4pm
  • Tue: 5:30am-4pm
  • Wed: 5:30am-4pm
  • Thu: 5:30am-4pm
  • Fri: 5:30am-4pm


  • ATM/Debit
  • American Express
  • Check
  • Invoicing
  • MasterCard
  • Visa
  • Cash

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Since 1940, Dominion Electric Supply has served the Washington D.C./Baltimore area, providing electrical supplies and lighting fixtures to professionals and homeowners alike. Experts in residential and commercial lighting, energy saving options, switchgear, government sales, electric heat systems, and datacom. The company carries products from more than 200 manufacturers of electrical supplies and makes purchases from other vendors. Construction project personnel, electrical contractors, architects, builders, designers and homeowners are among the company s client base. Headquartered in Arlington, Va., the company has 8 other locations in the area.This location is a counter supply location and does not have a lighting showroom.