| Business Name | Address | |
| De Mey Electric | 258 Avenue C Denison, IA 51442 |
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| Mc Clellan Electric | 205 N 7th St Denison, IA 51442 |
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| Bryan Electric | 1411 1st Ave N Denison, IA 51442 |
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| Jim's Electric | 1314 Bohnker Hill Rd Denison, IA 51442 |
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| Wilwerding Electric | 204 Main Ave Defiance, IA 51527 |
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