| Business Name | Address | |
| J & R Lock & Safe Inc | 9251 S Roberts Rd Hickory Hills, IL 60457 |
 |
| All Cities Locksmith | Po Box 2223 Bridgeview, IL 60455 |
|
| Biggers Locksmithing | Po Box 417 Chicago Ridge, IL 60415 |
|
| Acme Lock & Key | 11350 S Harlem Ave Worth, IL 60482 |
|
| Guardian Lock & Key | 7722 Merrimac Ave Burbank, IL 60459 |
|