| Business Name | Address | |
| Hydaker-Wheatlake | 1505 E Dayton Rd Caro, MI 48723 |
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| Mtw Controls Inc | 1155 W Sanilac Rd Caro, MI 48723 |
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| James L Rolka Electric | 2266 W Caro Rd Caro, MI 48723 |
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| Crittenden Electric | 2990 Underwood Rd Caro, MI 48723 |
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| B's Electric | 604 N Unionville Rd Bay Port, MI 48720 |
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