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Electrical Panel Upgrade in Poolesville, Maryland

2 businesses offering electrical panel upgrade with a Poolesville address in Montgomery County, MD. Updated 9-22-26.

Business	Phone	Website
Hanna ElectricPoolesville	(301) 349-2061	—	Report Phone doesn’t work
Holt Electrical ContractorsPoolesville	(301) 349-2980	holtelectrical.com	Report Phone doesn’t work Website doesn’t work

Listed alphabetically. If a phone number or website does not work, use Report on that listing. Business owners: write to contact@hometradesdirectory.com to correct or remove a listing.

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