| Business Name | Address | |
| Kilby Electric | 529 Rowlandsville Rd Conowingo, MD 21918 |
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| Marrs Electric | 745 Old Conowingo Rd Conowingo, MD 21918 |
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| Gracen Electric Inc | 3012 Churchville Rd Churchville, MD 21028 |
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| Stoney Ridge Electrical Svc | Churchville, MD 21028 |
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| Action Electrical Contractors | 2828 E Medical Hall Rd Churchville, MD 21028 |
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