| Business Name | Address | |
| Wehrman Electric | 2166 330th St Laurel, IA 50141 |
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| Troy's Electric | Le Grand, IA 50142 |
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| Hunt Electric | 803 W Main St Marshalltown, IA 50158 |
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| How-Gan Electric | 1300 E Anson St Marshalltown, IA 50158 |
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| Troy's Electric | Marshalltown, IA 50158 |
|