| Business Name | Address | |
| Norwin Locksmith | 10369 Washington Ave Irwin, PA 15642 |
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| Westmoreland Lock & Safe Co | Irwin, PA 15642 | |
| John Takach Co | 800 Mckean Ave Donora, PA 15033 |
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| Ace Lock | 56 Gill Hall Rd Clairton, PA 15025 |
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| Barrier Protection Systems Inc | 415 Lysle Blvd Mckeesport, PA 15132 |
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