| Business Name | Address | |
| Dave'S Lock & Security | 136 4th Ave Ne Sioux Center, IA 51250 |
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| Siebring Electronic Co | Po Box 36 George, IA 51237 |
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| Huisman Lock & Key & Books | 621 4th Ave Sheldon, IA 51201 |
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| Charles Larsen Lock Svc | 815 1st Ave Se Le Mars, IA 51031 |
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| Al'S Lock & Key Property Mntnc | 5303 E Lake Placid Cir Sioux Falls, SD 57110 |
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