| Business Name | Address | |
| Sadler Electric | 1148 Blackhawk Buchanan Ave Fairbank, IA 50629 |
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| Minco Electric | 619 S Frederick Ave Oelwein, IA 50662 |
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| Ken's Electric Inc | 841 1st Ave SE Oelwein, IA 50662 |
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| Stammeyer Electric | 1010 2nd Ave SE Oelwein, IA 50662 |
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| Readlyn Farm Automation | 418 E 1st St Readlyn, IA 50668 |
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