| Business Name | Address | |
| Annapolis Zelkos Security Syst | Po Box 905 Edgewater, MD 21037 |
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| Economy Key Svc | Edgewater, MD 21037 | |
| All-Star Locksmiths | Edgewater, MD 21037 | |
| Old Line Safe & Lock Co | Bowie, MD 20716 | |
| Bdq Locksmith | Bowie, MD 20716 | |