| Business Name | Address | |
| A & D Locks | 1207 N State St Belvidere, IL 61008 |
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| Lock Doctor | 4249 E State St Rockford, IL 61108 |
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| Security House | 7446 Currytail Close Rockford, IL 61114 |
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| Elmer'S Lock-N-Key | 311 N 6th St Rockford, IL 61107 |
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| Oliphant Lock & Safe Security | 131 E Riverside Blvd Loves Park, IL 61111 |
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