| Business Name | Address | |
| J J Crewe & Son Inc | 7110 Michaels Mill Rd Buckeystown, MD 21717 |
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| Huffer Electric | 6432 Broad Run Rd Jefferson, MD 21755 |
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| Coblentz Electric Inc | 6101 Elaine Dr Jefferson, MD 21755 |
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| Birckhead Electric Inc | 16701 Elmer School Rd Dickerson, MD 20842 |
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| J & R Electric | 18401 Elmer School Rd Dickerson, MD 20842 |
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