| Business Name | Address | |
| Shea Electric | 61 Wantagh Ave East Islip, NY 11730 |
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| Glenn Ronald Electric | 139 Church Rd Great River, NY 11739 |
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| Hilary H Hollborn & Sons Inc | 102 Carleton Ave # 5 Islip Terrace, NY 11752 |
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| Josephine Electric & Constr | 260 Woodmere St Islip Terrace, NY 11752 |
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| Morris Electric | 3 Satellite Dr Islip Terrace, NY 11752 |
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