| Business Name | Address | |
| Interstate Locksmith Group | Perry Hall, MD 21128 |  |
| Crest Lock Co Inc | 7850 Rossville Blvd # 218 Baltimore, MD 21236 |
|
| Abc Safe & Lock Svc | Nottingham, MD 21236 | |
| Pop-A-Lock | Nottingham, MD 21236 | |
| Elks Safe Svc | Baltimore, MD 21220 | |