| Business Name | Address | |
| Rog's Electric Svc | 804 Oak St Rolfe, IA 50581 |
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| Humboldt County Rural Elec Co | 13th St S Humboldt, IA 50548 |
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| Detrick Electric | 22 River Oaks Humboldt, IA 50548 |
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| R & G Electric Inc | 2110 10th Ave N Humboldt, IA 50548 |
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| Eggers Electric | 14 1st Ave NE West Bend, IA 50597 |
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