| Business Name | Address | |
| Virgil Cook & Son Electrical | 119 N 8th St Dekalb, IL 60115 |
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| Larry Coward Electric | 4413 Ellwalk Ave Cortland, IL 60112 |
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| Montavon Electric | 2160 Oakland Dr Sycamore, IL 60178 |
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| Source Electric Inc | 1722 Sterling Dr Sycamore, IL 60178 |
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| West Elsdon Electric Co | 347 N Locust St Sycamore, IL 60178 |
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