| Business Name | Address | |
| Locksmith Technologies | Rr 5 Box 171 Coatesville, PA 19320 |
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| Ayton Lock & Alarm Co | 5 Whitely Rd Downingtown, PA 19335 |
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| Assurance Security Svc | 606 Dogwood Dr Downingtown, PA 19335 |
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| Ajv Locksmith | 15 Webb Rd Downingtown, PA 19335 |
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| A Security Locksmith | 21 E Lancaster Ave Downingtown, PA 19335 |
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