| Business Name | Address | |
| Northern Electrical Testing | 1024 Court St Port Huron, MI 48060 |
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| Shirkey Electric Co | 1570 Michigan Ave Marysville, MI 48040 |
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| Snyder Electric | 43 Rella Rae Ave Marysville, MI 48040 |
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| R K Machine Tool Wiring | 6527 Lapeer Rd Kimball, MI 48074 |
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| Snyder Electric | 1899 N Allen Rd Kimball, MI 48074 |
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