| Business Name | Address | |
| Hydaker-Wheatlake | 1505 E Dayton Rd Caro, MI 48723 |
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| Minkler Electric | 941 E Huron Ave Vassar, MI 48768 |
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| Midwest Electric Inc | 4780 Oak Rd Vassar, MI 48768 |
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| Cooper Electric | 425 E Huron Ave Vassar, MI 48768 |
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| Alpine Electric Co Inc | 3321 Walton Rd Vassar, MI 48768 |
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