| Business Name | Address | |
| Guerrera & Sons Electrical | PO Box 355 Edgemont, PA 19028 |
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| Tarra Electric Inc | 415 Smithbridge Rd Glen Mills, PA 19342 |
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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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| Revell Electric Svc | PO Box 594 Southeastern, PA 19399 |
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