| Business Name | Address | |
| Wehrman Electric | 2166 330th St Laurel, IA 50141 |
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| G L Wehrman Electric | 209 Pine St Marshalltown, IA 50158 |
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| Warden Electric Inc | 809 Jackson St Marshalltown, IA 50158 |
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| Flathers & Co Electric | 1003 W State St Marshalltown, IA 50158 |
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| How-Gan Electric | 1300 E Anson St Marshalltown, IA 50158 |
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