| Business Name | Address | |
| Borgerding Electric | 671 Highland Ct Holy Cross, IA 52053 |
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| Spiegelhalter Electric | 5555 Saratoga Rd # 1 Dubuque, IA 52002 |
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| Kringle Electric | 2220 Southway Dr Dubuque, IA 52002 |
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| Bechen Electric Inc | 16494 Middle Rd Dubuque, IA 52002 |
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| Paulson Electric Co | 685 Century Dr Dubuque, IA 52002 |
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