| Business Name | Address | |
| Pine Hill Electric | 198 Pine Hill Rd Berwick, ME 03901 |
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| J & M Electric | 34 Elm St North Berwick, ME 03906 |
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| Rousseau Electric LLC | 170 Morrills Mill Rd North Berwick, ME 03906 |
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| Prue Electric | 87 Witchtrot Rd South Berwick, ME 03908 |
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| Bear Electric | 193 Knights Pond Rd South Berwick, ME 03908 |
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