| Business Name | Address | |
| Grinnell Safe & Lock Co | 800 Main St Grinnell, IA 50112 |
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| White'S Key & Closer Shop | 806 2nd Ave W Oskaloosa, IA 52577 |
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| Robert'S Auto Body & Locksmith | 2550 285th St Oskaloosa, IA 52577 |
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| A-1 Lock Inc | 807 S 10th Ave E Newton, IA 50208 |
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| Grinnell Safe & Lock Co | 101 1st Ave E Newton, IA 50208 |
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