| Business Name | Address | |
| Boston Square Lock & Key Shop | 1254 Kalamazoo Ave Se Grand Rapids, MI 49507 |
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| Robbins Lock Shop Inc | 2004 Division Ave S Grand Rapids, MI 49507 |
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| Custom Lock & Safe Shop Inc | 130 Packard Ave Se Grand Rapids, MI 49503 |
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| Door Hardware Svc | 601 Michigan St Ne Grand Rapids, MI 49503 |
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| Emergency Lock & Safe Co | 1044 Fulton St E Grand Rapids, MI 49503 |
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