| Business Name | Address | |
| Hendryx Electric | 122 Commercial St Mt Auburn, IA 52313 |
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| Feuerbach Electric | 423 1/2 Main St La Porte City, IA 50651 |
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| Elwick Electric | 711 S 8th Ave Vinton, IA 52349 |
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| Duane Albertsen Electronic | 1003 Clark St Dysart, IA 52224 |
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| Wauters Electric | 502 Wilson St Dysart, IA 52224 |
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