Category:Defunct companies based in Pennsylvania
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This category has the following 4 subcategories, out of 4 total.
Pages in category "Defunct companies based in Pennsylvania"
The following 140 pages are in this category, out of 140 total. This list may not reflect recent changes (learn more).
- Paragon Software
- Penn Central Transportation Company
- Pennsylvania Match Company
- Pennsylvania Railroad
- Pennsylvania Steel Company
- Perry Lumber Company
- Philadelphia Electric Company
- Philadelphia Gum
- Philadelphia Savings Fund Society
- Piasecki Helicopter
- Pittsburgh Coal Company
- Pittsburgh Locomotive and Car Works
- Pittsburgh Steam Engine Company
- Pittsburgh Stock Exchange
- Platt-LePage Aircraft Company