| Business Name | Address | |
| Hartz Lock Co | 200 N 2nd St Clinton, IA 52732 |
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| B & B Lock Svc | 2536 Prospect Ave Clinton, IA 52732 |
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| A-1 Lock & Key | 1121 N 2nd St Clinton, IA 52732 |
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| Greg'S Lock & Key | 307 1st Ave Stanwood, IA 52337 |
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| A-1 Locksmith | Davenport, IA 52806 | |