| Business | Phone |
| A C Locksmith 6655 Dobbin Rd, Columbia 21045 | (410) 309-9798 |
| A Car Door Unlocking Svc 9693 Gerwig Ln # E, Columbia 21046 | (301) 483-6736 |
| A P Locksmith & Security Columbia 21044 | (410) 730-3790 |
| A-All Around Lock Svc Columbia 21044 | (410) 531-1031 |
| Acm Alarm & Locksmith Columbia 21044 | (410) 730-9299 |
| Add-A-Lock Columbia 21046 | (410) 381-4500 |
| American Lockworks Inc 8970 Old Annapolis # C, Columbia 21045 | (410) 298-0000 |
| Columbia Locksmiths Columbia 21044 | (410) 997-2323 |
| Interstate Locksmith 6440 Oakland Mills Rd, Columbia 21045 | (301) 310-0274 |
| Interstate Locksmith Group Columbia 21045 | (410) 872-1036 |
| Locksmith 24 Hours Inc Columbia 21045 | (410) 872-4744 |
| Sams Mobile Locksmithing Columbia 21044 | (301) 596-6700 |
| Two Brothers Mobile Locksmith Columbia 21045 | (410) 419-1207 |
| Universal Locksmith Svc Columbia 21044 | (410) 997-7192 |
| Village Lock & Key Inc 10300 Little Patuxent Pkwy, Columbia 21044 | (410) 997-0463 |
| Village Lock & Key Inc 8970 State Route 108 # C, Columbia 21045 | (410) 997-5969 |