| Business Name | Address | |
| S & L Electric | 104 State St Liscomb, IA 50148 |
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| Crosser Electric Inc | 518 Union St Whitten, IA 50269 |
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| Crosser Electric Inc | 518 Union St Whitten, IA 50269 |
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| Warden Electric Inc | 809 Jackson St Marshalltown, IA 50158 |
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| G L Wehrman Electric | 209 Pine St Marshalltown, IA 50158 |
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