| Business Name | Address | |
| Portland Lock & Key Svc | 694 Forest Ave Portland, ME 04103 |
 |
| G & R Lock & Safe Svc Inc | Po Box 6733 Portland, ME 04103 |
|
| Al Martin & Son Locksmith | 5 Main St Gray, ME 04039 |
|
| Coastal Lock & Key Svc | Po Box 10931 Portland, ME 04104 |
|
| Lock Stock & Barrel Inc | Po Box 939 Portland, ME 04104 |
|