| Business Name | Address | |
| S & L Electric | 104 State St Liscomb, IA 50148 |
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| How-Gan Electric | 1300 E Anson St Marshalltown, IA 50158 |
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| Ferneau Electric | 216 W Ferner St Marshalltown, IA 50158 |
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| Troy's Electric | Marshalltown, IA 50158 |
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| M & N Construction & Electric | 111 S 1st Ave Marshalltown, IA 50158 |
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