| Business Name | Address | |
| 888-Usa Lock | Baltimore, MD 21212 |  |
| Towson Lock & Key Inc | Po Box 32001 Pikesville, MD 21282 |
|
| Pikesville Lock & Key Inc | Po Box 32001 Pikesville, MD 21282 |
|
| Precision Safe & Lock Inc | Halethorpe, MD 21227 | |
| A-Allaround Lock & Key | Halethorpe, MD 21227 | |