| Business Name | Address | |
| Bernard Electric | 171 Bernard Rd Bernard, IA 52032 |
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| Morse Electric Inc | 395 S Main St Dubuque, IA 52003 |
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| Sisler Electric | 10599 Jordan Ln Dubuque, IA 52003 |
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| Biechler Electric Inc | 7762 Wild Nest Ln Dubuque, IA 52003 |
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| Westphal & Co Inc | 750 Cedar Cross Rd Dubuque, IA 52003 |
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