| MCMellott Co/warfordsburg Mfg Fac | Warfordsburg | PA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| MMMetso Minerals Ind INC | York | PA | Machinery Manufacturing333131 | — | ◇ UNVERIFIED |
| MLMobile Lifts INC | Collegeville | PA | Machinery Manufacturing333922 | — | ◇ UNVERIFIED |
| MMMonarch Mfg Works INC | Philadelphia | PA | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| MMMorgantown Mach & Hydraulic | Indiana | PA | Machinery Manufacturing333995 | — | ◇ UNVERIFIED |
| MMMorgantown Machine & Hydraulics | Indiana | PA | Machinery Manufacturing333995 | — | ◇ UNVERIFIED |
| NTNational Torch Tip INC Weldit Bldg | Pittsburgh | PA | Machinery Manufacturing333992 | — | ◇ UNVERIFIED |
| NXNordson Xaloy | New Castle | PA | Machinery Manufacturing333249 | — | ◇ UNVERIFIED |
| OHOne Hour Martinizing/uniontown | Uniontown | PA | Machinery Manufacturing333513 | — | ◇ UNVERIFIED |
| OSOp Schuman 2001 County Line Road LLC | Warrington | PA | Machinery Manufacturing333292 | — | ◇ UNVERIFIED |
| PIPax INC | Harrisburg | PA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| PCPbs Coal Inc/shade Creek Plt | Central City | PA | Machinery Manufacturing333413 | — | ◇ UNVERIFIED |
| PIPenn-field Industries INC | Quakertown | PA | Machinery Manufacturing333992 | — | ◇ UNVERIFIED |
| PHPeters Heat Treating | Meadville | PA | Machinery Manufacturing333514 | — | ◇ UNVERIFIED |
| PCPratt Compressor Station | Waynesburg | PA | Machinery Manufacturing333997 | — | ◇ UNVERIFIED |
| PTPrecision Tool & Die CO INC | Oil City | PA | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| PSPreform Specialties/derry Plt | Blairsville | PA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| PPPressure Products Industries - Milton Roy | Warminster | PA | Machinery Manufacturing333912 | — | ◇ UNVERIFIED |
| RRRed Rose Awards | Lancaster | PA | Machinery Manufacturing333248 | — | ◇ UNVERIFIED |
| RIRegal Ind Donora Plt | Donora | PA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| RIRockwell Intl CORP Graphic Sys Div | Wyomissing | PA | Machinery Manufacturing333293 | — | ◇ UNVERIFIED |
| SESchindler Elevator CORP | Gettysburg | PA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| SISeaboard Intl Inc/ulster | Ulster | PA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| SPSinterite Products Div of Gpi | Saint Marys | PA | Machinery Manufacturing333994 | — | ◇ UNVERIFIED |
| SMSms Millcraft LLC | East Pittsburgh | PA | Machinery Manufacturing333249 | — | ◇ UNVERIFIED |
| SCSnap-on-tool CORP | Harrisburg | PA | Machinery Manufacturing333991 | — | ◇ UNVERIFIED |
| SDSpecial Dry Clnr/reading | Reading | PA | Machinery Manufacturing333210 | — | ◇ UNVERIFIED |
| SCSpringtowne Clnr/sinking Spring | Sinking Spring | PA | Machinery Manufacturing333220 | — | ◇ UNVERIFIED |
| SCSupreme Clnr/reading | Reading | PA | Machinery Manufacturing333290 | — | ◇ UNVERIFIED |
| TETyco Electronics CORP (amp Inc) | Mount Joy | PA | Machinery Manufacturing333514 | — | ◇ UNVERIFIED |
| UEUnion Electric Steel CORP | Burgettstown | PA | Machinery Manufacturing333519 | — | ◇ UNVERIFIED |
| UEUnion Electric Steel Corporation | Carnegie | PA | Machinery Manufacturing333519 | — | ◇ UNVERIFIED |
| USUpmc St Margaret Hosp/pgh | Pittsburgh | PA | Machinery Manufacturing333912 | — | ◇ UNVERIFIED |
| VAVogele Amer Inc/chambersburg | Chambersburg | PA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| VHVoith Hydro, INC. | York | PA | Machinery Manufacturing333611 | — | ◇ UNVERIFIED |
| WMWagman Metal Products INC | Dallastown | PA | Machinery Manufacturing333514 | — | ◇ UNVERIFIED |
| WRWashington Rotating Control Heads/washington | Washington | PA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| WRWaynesboro Real Estate Ventures LLC - Kennametal Plt | Waynesboro | PA | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| WNWcr Northeast Region/bensalem | Bensalem | PA | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| WFWengers Farm Machinery INC | Myerstown | PA | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| WEWest End Clnrs/new Holland | New Holland | PA | Machinery Manufacturing333100 | — | ◇ UNVERIFIED |
| WCWestgate Cleaning Village/connellsville | Connellsville | PA | Machinery Manufacturing333514 | — | ◇ UNVERIFIED |
| AHAckley Hartnett | Langhorne | PA | Machinery Manufacturing333248 | 20-99 | ◐ LIKELY ACTIVE |
| AMAdams Manufacturing (Keter) | Portersville | PA | Machinery Manufacturing333248 | 100-499 | ◐ LIKELY ACTIVE |
| AMAdler-Rapid Mold Inc. | Erie | PA | Machinery Manufacturing333511 | 20-99 | ◐ LIKELY ACTIVE |
 Advent Design Corporation | Bristol, PA 19007 | PA | Machinery Manufacturing333999 | 20-99 | ◐ LIKELY ACTIVE |
| APAmerican Polarizers, inc. | Reading | PA | Machinery Manufacturing333314 | 20-99 | ◐ LIKELY ACTIVE |
| ABAmmeraal Beltech, LLC - Jefferson | Jefferson | PA | Machinery Manufacturing333922 | 20-99 | ◐ LIKELY ACTIVE |
| ABAmmeraal Beltech Modular LLC | Reading | PA | Machinery Manufacturing333922 | 100-499 | ◐ LIKELY ACTIVE |
| AMAndritz Montoursville | Montoursville | PA | Machinery Manufacturing333243 | 20-99 | ◐ LIKELY ACTIVE |
