| Business Name | Address | |
| Pem Electrical Inc | 8596 Valley Dr Middletown, MD 21769 |
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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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| Royal Mechanical Inc | 11604 Easterday Rd Myersville, MD 21773 |
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| Mec Inc | 313 Main St Myersville, MD 21773 |
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