| PTPrecision Tool & Die CO INC | Oil City | — | ◇ UNVERIFIED |
| PSPreform Specialties/derry Plt | Blairsville | — | ◇ UNVERIFIED |
| PPPressure Products Industries - Milton Roy | Warminster | — | ◇ UNVERIFIED |
| RTRay the Tailor | Reading | — | ◇ UNVERIFIED |
| RIReddog Ind | Erie | — | ◇ UNVERIFIED |
| RIRegal Ind Donora Plt | Donora | — | ◇ UNVERIFIED |
| RIRockwell Intl CORP Graphic Sys Div | Wyomissing | — | ◇ UNVERIFIED |
| RRotoflow | Bethlehem | — | ◇ UNVERIFIED |
| SESchindler Elevator CORP | Gettysburg | — | ◇ UNVERIFIED |
| SISeaboard Intl Inc/ulster | Ulster | — | ◇ UNVERIFIED |
| SCShasta Capt Haz Waste Operation | Aliquippa | — | ◇ UNVERIFIED |
| SVShop Vac Corp/williamsport Plt | Williamsport | — | ◇ UNVERIFIED |
| SPSinterite Products Div of Gpi | Saint Marys | — | ◇ UNVERIFIED |
| SBSmitty's Body Works | Mount Carmel | — | ◇ UNVERIFIED |
| SMSms Millcraft LLC | East Pittsburgh | — | ◇ UNVERIFIED |
| SCSnap-on-tool CORP | Harrisburg | — | ◇ UNVERIFIED |
| SDSpecial Dry Clnr/reading | Reading | — | ◇ UNVERIFIED |
| SISp Industries Hull CO Div | Warminster | — | ◇ UNVERIFIED |
| SCSpringtowne Clnr/sinking Spring | Sinking Spring | — | ◇ UNVERIFIED |
| SDSuburban Dry Clnr/lewistown | Lewistown | — | ◇ UNVERIFIED |
| SCSupreme Clnr/reading | Reading | — | ◇ UNVERIFIED |
| TCTerragroup Corporation (a/k/a Global Environmental Technologies, Inc.) | Allentown | — | ◇ UNVERIFIED |
| TBThomas & Betts Corp/reznor-mercer Plt | Mercer | — | ◇ UNVERIFIED |
| TETyco Electronics CORP (amp Inc) | Mount Joy | — | ◇ UNVERIFIED |
| USUpmc St Margaret Hosp/pgh | Pittsburgh | — | ◇ UNVERIFIED |
| VAVan Air Sys Inc/lake City | Lake City | — | ◇ UNVERIFIED |
| VAVogele Amer Inc/chambersburg | Chambersburg | — | ◇ UNVERIFIED |
| VHVoith Hydro, INC. | York | — | ◇ UNVERIFIED |
| WMWagman Metal Products INC | Dallastown | — | ◇ UNVERIFIED |
| WRWashington Rotating Control Heads/washington | Washington | — | ◇ UNVERIFIED |
| WRWaynesboro Real Estate Ventures LLC - Kennametal Plt | Waynesboro | — | ◇ UNVERIFIED |
| WNWcr Northeast Region/bensalem | Bensalem | — | ◇ UNVERIFIED |
| WFWengers Farm Machinery INC | Myerstown | — | ◇ UNVERIFIED |
| WEWest End Clnrs/new Holland | New Holland | — | ◇ UNVERIFIED |
| WCWestgate Cleaning Village/connellsville | Connellsville | — | ◇ UNVERIFIED |
| WEWestinghouse Electric Corporation | East Pittsburgh | — | ◇ UNVERIFIED |
| AHAckley Hartnett | Langhorne | 20–99 | ◐ LIKELY ACTIVE |
| AMAdams Manufacturing (Keter) | Portersville | 100–499 | ◐ LIKELY ACTIVE |
| AMAdler-Rapid Mold Inc. | Erie | 20–99 | ◐ LIKELY ACTIVE |
 Advanced Cooling Technologies, Inc.- Lancaster | Lancaster | 100–499 | ◐ LIKELY ACTIVE |
| ADAdvanced Dicing Technologies INC | Horsham | — | ◐ LIKELY ACTIVE |
 Advent Design Corporation | Bristol, PA 19007 | 20–99 | ◐ LIKELY ACTIVE |
| AEAggregates Equipment Inc | Leola | 20–99 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals Inc.- Bethlehem Rotoflow Facility | Bethlehem | 20–99 | ◐ LIKELY ACTIVE |
| ATAkrion Technologies | Allentown | 20–99 | ◐ LIKELY ACTIVE |
| APAmerican Polarizers, inc. | Reading | 20–99 | ◐ LIKELY ACTIVE |
| ABAmmeraal Beltech, LLC - Jefferson | Jefferson | 20–99 | ◐ LIKELY ACTIVE |
| ABAmmeraal Beltech Modular LLC | Reading | 100–499 | ◐ LIKELY ACTIVE |
| AMAndritz Montoursville | Montoursville | 20–99 | ◐ LIKELY ACTIVE |
| ACARCH Cutting Tools-Latrobe | Latrobe | 20–99 | ◐ LIKELY ACTIVE |
