| Business Name | Address | |
| D & D Safe & Lock | 5430 Mount Zion Rd Frederick, MD 21703 |
 |
| R J Locksmith & Security Inc | 7945 Old 7th St Frederick, MD 21702 |
|
| Tim May Investigations | 149 W Patrick St Frederick, MD 21701 |
|
| Able Locksmiths Llc | 321 W Patrick St # A Frederick, MD 21701 |
|
| Automotive Industrial Inc | 1103 E Patrick St Frederick, MD 21701 |
|