| Business Name | Address | |
| Crime Prevention Lock & Scrty | Glen Burnie, MD 21061 |  |
| Lock Doctor Inc | 8228 Fort Smallwood Rd Baltimore, MD 21226 |
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| Help Locksmith & Key Svc | 8228 Fort Smallwood Rd Baltimore, MD 21226 |
|
| Area Lock & Key | 3704 2nd St Baltimore, MD 21225 |
|
| Life Safety Systems | 3410 Old Crown Dr Pasadena, MD 21122 |
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