| Business Name | Address | |
| Viscuso Electric & Son | 22 Old Pasture Ln Hamden, CT 06518 |
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| Malangone Electric | New Haven, CT 06511 |
|
| Fortin Electric Co | 240 Sargent Dr New Haven, CT 06511 |
|
| Martin Electric Inc | 138 Bradley St New Haven, CT 06511 |
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| R S Petrillo Co | 120 Sargent Dr New Haven, CT 06511 |
|