| Business Name | Address | |
| 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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| Konken Electric Inc | 128 Front St Dike, IA 50624 |
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| Goos Electric | 1284 170th St Gladbrook, IA 50635 |
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| Crosser Electric Inc | 518 Union St Whitten, IA 50269 |
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