| Business Name | Address | |
| Roland Service Ctr | 702 W Monroe St Washington, IA 52353 |
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| Guenther Lock & Key | 931 S 3rd Ave Washington, IA 52353 |
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| Freeman Lock & Alarm Inc | 4185 Alyssa Ct # 1 Iowa City, IA 52240 |
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| All-Iowa Lock | 727 S Dubuque St Iowa City, IA 52240 |
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| Mike'S Lock & Key | Iowa City, IA 52240 | |