| Business Name | Address | |
| George D Hoerr Electrical Co | 2843 Sutterville Rd Fults, IL 62244 |
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| Buettner Electric | 4560 Fountain Brook Dr Waterloo, IL 62298 |
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| Don's Electric Contracting | 404 W 3rd St Waterloo, IL 62298 |
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| Dreps Electric | 12 Victor St Waterloo, IL 62298 |
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| Design Electric | 6076 Maeystown Rd Waterloo, IL 62298 |
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