| Business Name | Address | |
| De Sousa Electric | 11 Waterway Pl Tyngsboro, MA 01879 |
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| Value Electric | PO Box 508 North Chelmsford, MA 01863 |
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| Mark A Niemi Electric | 110 Middlesex St North Chelmsford, MA 01863 |
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| Giles Electric | 94 Middlesex St North Chelmsford, MA 01863 |
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| B P & Logue Electrical | 83 Prescott Dr North Chelmsford, MA 01863 |
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