| Business Name | Address | |
| Hampton Electric Co | 9945 Walters Landing Rd Nanjemoy, MD 20662 |
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| J & J Electric | La Plata, MD 20646 |
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| Commercial Power Inc | 6605 Ellenwood Dr La Plata, MD 20646 |
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| Barrett Electric Co | 7025 Silver Run Rd La Plata, MD 20646 |
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| L & M Assoc Inc | 1205 E Patuxent Dr La Plata, MD 20646 |
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