| Business Name | Address | |
| Ferneau Electric | 216 W Ferner St Marshalltown, IA 50158 |
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| Troy's Electric | Le Grand, IA 50142 |
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| Carl's Electric Svc | 605 3rd St Garwin, IA 50632 |
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| S & L Electric | 104 State St Liscomb, IA 50148 |
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| Wehrman Electric | 2166 330th St Laurel, IA 50141 |
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