| Business Name | Address | |
| Feuerbach Electric | 423 1/2 Main St La Porte City, IA 50651 |
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| Gary's Electric | 1184 215th St Jesup, IA 50648 |
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| Hamilton Electric | 234 7th St Jesup, IA 50648 |
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| Paulson Electric Co | 1915 Jefferson St Waterloo, IA 50702 |
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| Tippery Mechanical Contractors | 2617 Orchard St Waterloo, IA 50702 |
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