| Business Name | Address | |
| Ken Jensen Electric Co | 2214 S Ave Madrid, IA 50156 |
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| Perkins Electric | 452 Fairview Dr Madrid, IA 50156 |
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| Lighthouse Electric | 900 Hubbel St Kelley, IA 50134 |
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| Innovative Mechanical Svc | 1118 SE Lorenz Dr Ankeny, IA 50021 |
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| Resource Electric | 5819 NE 29th St Ankeny, IA 50021 |
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