| Business Name | Address | |
| Janney Electric Co | Cockysvl Hnt Vly, MD 21065 |
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| Horace A Palmer | 517 Gifford Ln Monkton, MD 21111 |
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| Jan-El Contracting Inc | 16311 Markoe Rd Monkton, MD 21111 |
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| Stephen A Miller Inc | 5 Mccann Ave Cockysvl Hnt Vly, MD 21030 |
|
| H Edward Darney Inc | 21 Ensor Ave Cockysvl Hnt Vly, MD 21030 |
|