| Business Name | Address | |
| Dakota Lock & Key | Po Box 611 Vermillion, SD 57069 |
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| Dave'S Lock & Security | 136 4th Ave Ne Sioux Center, IA 51250 |
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| Charles Larsen Lock Svc | 815 1st Ave Se Le Mars, IA 51031 |
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| B & D Pop-A-Lock | 2104 Hanford St Sioux City, IA 51109 |
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| Dealer Services | 3732 Jones St Sioux City, IA 51104 |
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