| Business Name | Address | |
| Konken Electric Inc | 128 Front St Dike, IA 50624 |
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| Ballhagen Electric | 32495 Beaver Valley St New Hartford, IA 50660 |
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| Saak Electric | 609 7th St Grundy Center, IA 50638 |
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| Konken Electric | 310 G Ave Grundy Center, IA 50638 |
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| Konken Electric Inc | Main St Reinbeck, IA 50669 |
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