| Business | Phone |
| A Plus Lock & Key Svc Waldorf 20603 | (301) 705-9966 |
| Abeco Locksmith & Security Waldorf 20601 | (301) 894-1182 |
| Brandywine Lock & Key Waldorf 20601 | (301) 843-1977 |
| Chesapeake Security Svc Co 12113 Old Line Ctr, Waldorf 20602 | (301) 374-9599 |
| Commercial Locking Systems Po Box 6524, Waldorf 20603 | (301) 932-5397 |
| Superior Locksmith Inc Waldorf 20602 | (301) 643-2241 |
| Tri-County Safe & Lock Co 11045 Berry Rd, Waldorf 20603 | (301) 843-7466 |
| Waldorf Locksmith Co 3544 Old Washington Rd, Waldorf 20602 | (301) 645-2877 |
| Elite Key & Door Services 11865 Federal Sq Ste 204, Waldorf 20602 | (301) 660-3713 |