| Business Name | Address | |
| Key Systems Inc | 10839 Philadelphia Rd White Marsh, MD 21162 |
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| Chesapeake Power & Light | 5405 Ebenezer Rd White Marsh, MD 21162 |
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| J Lee Gurley & Son Inc | 7554 Belair Rd Baltimore, MD 21236 |
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| Baltimore Electric Svc | 4300 Ridge Rd Baltimore, MD 21236 |
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| Shell Electric Inc | 4202 Haycoke Rd Baltimore, MD 21236 |
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