| Business Name | Address | |
| Security Locksmith | Po Box 1043 Waterloo, IA 50704 |
 |
| Timmerman Glass | Po Box 3067 Evansdale, IA 50707 |
|
| A To Z Lock & Key | 1302 Jefferson St Waterloo, IA 50702 |
|
| Locksperts | 1302 Jefferson St Waterloo, IA 50702 |
|
| Polk'S Lock Svc Inc | 1504 College St Cedar Falls, IA 50613 |
|