| Business Name | Address | |
| Watjus Electric Inc | 231 Ayer Rd # 8 Harvard, MA 01451 |
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| Home Electric Inc | 236 Ayer Rd Harvard, MA 01451 |
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| Bigelow Electric | 206 W Main St Groton, MA 01450 |
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| Burnham Electric Inc | 25 Hoyts Wharf Rd Groton, MA 01450 |
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| Electrical Contracting & Svc | 142 Main St Groton, MA 01450 |
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