| Business Name | Address | |
| Knights Electrical Htg Cooling | 13499 Fox Hill Dr Lemont, IL 60439 |
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| Cattaneo Electric Inc | 8171 S Lemont Rd Darien, IL 60561 |
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| Cattaneo Electric Co | 8170 S Lemont Rd Darien, IL 60561 |
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| Electrical Construction Svc | 8404 Wilmette Ave Darien, IL 60561 |
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| K & K Electric | 7128 Crest Rd Darien, IL 60561 |
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