| Business Name | Address | |
| Colonial Electric Co Inc | 4444 Solomons Island Rd Harwood, MD 20776 |
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| Cranston Electrical Svc | PO Box 49 West River, MD 20778 |
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| Cranston Electric Co | 5120 Sudley Rd West River, MD 20778 |
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| Beltway Electrical Svc | 932 Upper Pindell Rd Lothian, MD 20711 |
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| Esco Electric Corp | 5463 Southern Maryland Blvd Lothian, MD 20711 |
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