| Business Name | Address | |
| Double D Electrical Contr | 1 Thompson Hill Rd N Grosvenordale, CT 06255 |
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| Thompson Electric | 185 Old Turnpike Rd Quinebaug, CT 06262 |
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| Ken's Electric | 303 Modock Rd Putnam, CT 06260 |
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| Sertex | 368 Killingly Ave Putnam, CT 06260 |
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| Crabtree Electric & Constr | 20 Cottage St Putnam, CT 06260 |
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