Category:Defunct companies based in Pennsylvania
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This category has the following 6 subcategories, out of 12 total.
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Pages in category "Defunct companies based in Pennsylvania"
The following 96 pages are in this category, out of 148 total. This list may not reflect recent changes.
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- McGlynn Racing
- Mechanics National Bank (Philadelphia)
- MediaOne
- Merchant Shipbuilding Corporation
- Mesta Machinery
- MidAtlantic Airways
- Monocoupe Aeroplane and Engine Corporation
- Monocoupe Aircraft
- Monongahela River Consolidated Coal and Coke Company
- MOS Technology
- Multiplex (automobile)
- Muskogee Company
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- Paragon Software
- Penn Central Transportation Company
- Pennsylvania Railroad
- Pennsylvania Water and Power
- Perry Lumber Company
- Philadelphia Electric Company
- Philadelphia Gum
- Philadelphia Savings Fund Society
- PhillyCarShare
- Piasecki Helicopter
- Pittsburgh Coal Company
- Pittsburgh Food & Beverage Company
- Pittsburgh Stock Exchange
- Pocono Airlines