| Business Name | Address | |
| Beacon Electric | 324 Morgan St Elgin, IL 60123 |
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| Bernardoni Electric Inc | 830 Tollgate Rd Elgin, IL 60123 |
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| Bock Electric | Elgin, IL 60123 |
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| Brevik Electric | Elgin, IL 60123 |
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| Elgin Augering Inc | 1443 Erie St Elgin, IL 60123 |
|