| MCMellott Co/warfordsburg Mfg Fac | Warfordsburg | — | ◇ UNVERIFIED |
| MMMetso Minerals Ind INC | York | — | ◇ UNVERIFIED |
| MLMobile Lifts INC | Collegeville | — | ◇ UNVERIFIED |
| MMMonarch Mfg Works INC | Philadelphia | — | ◇ UNVERIFIED |
| MMMorgantown Mach & Hydraulic | Indiana | — | ◇ UNVERIFIED |
| MMMorgantown Machine & Hydraulics | Indiana | — | ◇ UNVERIFIED |
| NTNational Torch Tip INC Weldit Bldg | Pittsburgh | — | ◇ UNVERIFIED |
| NXNordson Xaloy | New Castle | — | ◇ UNVERIFIED |
| OHOne Hour Martinizing/uniontown | Uniontown | — | ◇ UNVERIFIED |
| OSOp Schuman 2001 County Line Road LLC | Warrington | — | ◇ UNVERIFIED |
| PIPax INC | Harrisburg | — | ◇ UNVERIFIED |
| PCPbs Coal Inc/shade Creek Plt | Central City | — | ◇ UNVERIFIED |
| PIPenn-field Industries INC | Quakertown | — | ◇ UNVERIFIED |
| PHPeters Heat Treating | Meadville | — | ◇ UNVERIFIED |
| PCPratt Compressor Station | Waynesburg | — | ◇ UNVERIFIED |
| PTPrecision Tool & Die CO INC | Oil City | — | ◇ UNVERIFIED |
| PSPreform Specialties/derry Plt | Blairsville | — | ◇ UNVERIFIED |
| PPPressure Products Industries - Milton Roy | Warminster | — | ◇ UNVERIFIED |
| RRRed Rose Awards | Lancaster | — | ◇ UNVERIFIED |
| RIRegal Ind Donora Plt | Donora | — | ◇ UNVERIFIED |
| RIRockwell Intl CORP Graphic Sys Div | Wyomissing | — | ◇ UNVERIFIED |
| SESchindler Elevator CORP | Gettysburg | — | ◇ UNVERIFIED |
| SISeaboard Intl Inc/ulster | Ulster | — | ◇ UNVERIFIED |
| SPSinterite Products Div of Gpi | Saint Marys | — | ◇ UNVERIFIED |
| SMSms Millcraft LLC | East Pittsburgh | — | ◇ UNVERIFIED |
| SCSnap-on-tool CORP | Harrisburg | — | ◇ UNVERIFIED |
| SDSpecial Dry Clnr/reading | Reading | — | ◇ UNVERIFIED |
| SCSpringtowne Clnr/sinking Spring | Sinking Spring | — | ◇ UNVERIFIED |
| SCSupreme Clnr/reading | Reading | — | ◇ UNVERIFIED |
| TETyco Electronics CORP (amp Inc) | Mount Joy | — | ◇ UNVERIFIED |
| UEUnion Electric Steel CORP | Burgettstown | — | ◇ UNVERIFIED |
| UEUnion Electric Steel Corporation | Carnegie | — | ◇ UNVERIFIED |
| USUpmc St Margaret Hosp/pgh | Pittsburgh | — | ◇ 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 |
| AHAckley Hartnett | Langhorne | 20–99 | ◐ LIKELY ACTIVE |
| AMAdams Manufacturing (Keter) | Portersville | 100–499 | ◐ LIKELY ACTIVE |
| AMAdler-Rapid Mold Inc. | Erie | 20–99 | ◐ LIKELY ACTIVE |
 Advent Design Corporation | Bristol, PA 19007 | 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 |
