| Business Name | Address | |
| Shirkey Electric Co | 1570 Michigan Ave Marysville, MI 48040 |
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| Turner Electric | 321 Court St Port Huron, MI 48060 |
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| Stephenson Electric Co | 2929 Lapeer Rd # 3 Port Huron, MI 48060 |
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| Northern Electrical Testing | 1024 Court St Port Huron, MI 48060 |
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| Ainsworth Electric Inc | 3763 Lapeer Rd # E Port Huron, MI 48060 |
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