| Business Name | Address | |
| Odessa Mechanical Contracting | 10239 Highway 99 Wapello, IA 52653 |
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| Lanz Electric | 12538 County Road H22 Wapello, IA 52653 |
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| Orr Electric & Hardware | 224 Main St Columbus Jct, IA 52738 |
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| Kauffman Electric Inc | 2707 Iowa St Columbus Jct, IA 52738 |
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| Edward Skubal Electric | 27951 140th St Columbus Jct, IA 52738 |
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