| Business Name | Address | |
| Contech Electric Inc | 7930 Oakman Blvd Dearborn, MI 48126 |
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| Hatzel & Buehler Inc | 1300 S Fort St Detroit, MI 48217 |
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| Real Electric Inc | 533 S Oakwood Detroit, MI 48217 |
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| Thomas Brothers Electrical | PO Box 3050 Melvindale, MI 48122 |
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| Sachs Electric | 8800 W Jefferson Ave Detroit, MI 48209 |
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