| Business Name | Address | |
| Locksmith 24 Hour Inc | 600 Central Ave Highland Park, IL 60035 |
 |
| Keyth Security Systems | 1575 Oakwood Ave Highland Park, IL 60035 |
|
| Gateway Locksmith | Lake Forest, IL 60045 | |
| Lake Forest Locksmith & Svc | 770 N Western Ave Lake Forest, IL 60045 |
|
| Nothbrook Locksmith | 3340 Dundee Rd Northbrook, IL 60062 |
|