| Business Name | Address | |
| Crescenzo Electrical | PO Box 65 Concordville, PA 19331 |
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| William H Clinger Corp | 736 Baltimore Pike # 1 Glen Mills, PA 19342 |
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| Miller Electric | 199 Conchester Rd Glen Mills, PA 19342 |
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| Tarra Electric Inc | 415 Smithbridge Rd Glen Mills, PA 19342 |
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| David Digiorgio Electric Svc | 103 Cheyney Dr Westtown, PA 19395 |
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