| Business Name | Address | |
| Douglas Baker Contracting Inc | 531 York Rd Carlisle, PA 17013 |
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| Starner's Electric | 215 Chestnut St Mt Holly Springs, PA 17065 |
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| Adm Electrical Svc | Mt Holly Springs, PA 17065 |
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| James E Hoerner Mechanical | 614 Woodland Ave Mt Holly Springs, PA 17065 |
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| Malavenda Electric Co | PO Box 34 New Kingstown, PA 17072 |
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