| Business Name | Address | |
| Charlotte Electrical Svc | 3157 Highway 136 Charlotte, IA 52731 |
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| Thola Electric Inc | 1860 330th Ave Charlotte, IA 52731 |
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| Trenkamp Electric Inc | 4866 435th Ave Preston, IA 52069 |
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| Elk River Electric | 823 8th Ave De Witt, IA 52742 |
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| Jansen Electric Inc | 211 9th Ave De Witt, IA 52742 |
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