| JFJohnstown Facility | Johnstown | PA | Primary Metal Manufacturing331221 | 100-499 | ◐ LIKELY ACTIVE |
| JPJohnstown, PA | Johnstown | PA | Beverage and Tobacco Product Manufacturing312111 | 100-499 | ◐ LIKELY ACTIVE |
| JBJoy Baking Group Hermitage Cookie | Hermitage | PA | Food Manufacturing311821 | 100-499 | ◐ LIKELY ACTIVE |
| JBJSP - Butler | Butler | PA | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| KPKalas Plant 2 - K2 | Denver | PA | Primary Metal Manufacturing331420 | 100-499 | ◐ LIKELY ACTIVE |
| KFKeystone Foam Manufacturing plant | Derry | PA | Plastics and Rubber Products Manufacturing326150 | 100-499 | ◐ LIKELY ACTIVE |
| KKongsberg | Johnstown | PA | Computer and Electronic Product Manufacturing334511 | 100-499 | ◐ LIKELY ACTIVE |
| KBKrystal Biotech, Inc. | Pittsburgh | PA | Chemical Manufacturing325414 | 100-499 | ◐ LIKELY ACTIVE |
| KBKurtz Bros. Main Office and Factory | Clearfield | PA | Paper Manufacturing322230 | 100-499 | ◐ LIKELY ACTIVE |
| LMLancaster Manufacturing Facility | Lancaster | PA | Food Manufacturing311230 | 100-499 | ◐ LIKELY ACTIVE |
| LLandisville | Landisville | PA | Paper Manufacturing322211 | 100-499 | ◐ LIKELY ACTIVE |
| LOLatrobe Operations | Latrobe | PA | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| LPLaurel Pkg Johnstown Pa | Johnstown | PA | Beverage and Tobacco Product Manufacturing312111 | 100-499 | ◐ LIKELY ACTIVE |
| LNLavazza North America - WCR | Westchester | PA | Food Manufacturing311920 | 100-499 | ◐ LIKELY ACTIVE |
| LGLear Guilford - Pine Grove (PD) | Pine Grove | PA | Textile Mills313310 | 100-499 | ◐ LIKELY ACTIVE |
| LGLear Guilford - Pine Grove (WA) | Pine Grove | PA | Textile Mills313310 | 100-499 | ◐ LIKELY ACTIVE |
| LDLeonardo DRS - Johnstown Facility | Johnstown | PA | Computer and Electronic Product Manufacturing334511 | 100-499 | ◐ LIKELY ACTIVE |
| LELiberty Electronics, Inc - DeBence Rd | Franklin | PA | Computer and Electronic Product Manufacturing334419 | 100-499 | ◐ LIKELY ACTIVE |
| MFMacLean Fogg Component Solutions Saegertown | Saegertown | PA | Transportation Equipment Manufacturing336350 | 100-499 | ◐ LIKELY ACTIVE |
| MFMain facility | North East | PA | Furniture and Related Product Manufacturing337124 | 100-499 | ◐ LIKELY ACTIVE |
| MLMaterion - Leesport | Leesport | PA | Fabricated Metal Product Manufacturing332999 | 100-499 | ◐ LIKELY ACTIVE |
| MSMaterion - Shoemakersville | Shoemakersville | PA | Primary Metal Manufacturing331420 | 100-499 | ◐ LIKELY ACTIVE |
| MAMatthews Aurora Funeral Solutions | York | PA | Miscellaneous Manufacturing339995 | 100-499 | ◐ LIKELY ACTIVE |
Matthews International Corporation - Pittsburgh Bronze | Pittsburgh | PA | Primary Metal Manufacturing331529 | 100-499 | ◐ LIKELY ACTIVE |
| MSMCG Scranton | Scranton | PA | Plastics and Rubber Products Manufacturing326113 | 100-499 | ◐ LIKELY ACTIVE |
| MLMeadow Lands Manufacturing Plant | Washington | PA | Fabricated Metal Product Manufacturing332119 | 100-499 | ◐ LIKELY ACTIVE |
| MMeadville | Meadville | PA | Food Manufacturing311111 | 100-499 | ◐ LIKELY ACTIVE |
| MBMEC - Bedford | Bedford | PA | Fabricated Metal Product Manufacturing332999 | 100-499 | ◐ LIKELY ACTIVE |
| MPMenasha Packaging Company - Philadelphia | Philadelphia | PA | Paper Manufacturing322211 | 100-499 | ◐ LIKELY ACTIVE |
| MMeppi110-116 | Freedom | PA | Transportation Equipment Manufacturing336510 | 100-499 | ◐ LIKELY ACTIVE |
| MMeppi512-510 | Warrendale | PA | Electrical Equipment, Appliance & Component Manufacturing335313 | 100-499 | ◐ LIKELY ACTIVE |
| MMeppi520 | Warrendale | PA | Electrical Equipment, Appliance & Component Manufacturing335313 | 100-499 | ◐ LIKELY ACTIVE |
| MMeppi530 | Warrendale | PA | Electrical Equipment, Appliance & Component Manufacturing335999 | 100-499 | ◐ LIKELY ACTIVE |
| MMeppi547 | Warrendale | PA | Electrical Equipment, Appliance & Component Manufacturing335999 | 100-499 | ◐ LIKELY ACTIVE |
| MUMersen USA St Marys | Saint Marys | PA | Electrical Equipment, Appliance & Component Manufacturing335991 | 100-499 | ◐ LIKELY ACTIVE |
| MUMersen USA St Marys | St marys | PA | Electrical Equipment, Appliance & Component Manufacturing335991 | 100-499 | ◐ LIKELY ACTIVE |
| MPMid-Atlantic Packaging Specialities | Montgomeryville | PA | Paper Manufacturing322211 | 100-499 | ◐ LIKELY ACTIVE |
| MIMillwood, Inc. Tunkhannock | Tunkhannock | PA | Wood Product Manufacturing321920 | 100-499 | ◐ LIKELY ACTIVE |
| MPMI Profiles | Millersburg | PA | Plastics and Rubber Products Manufacturing326121 | 100-499 | ◐ LIKELY ACTIVE |
| MFMission Foods- Mountain Top Plant | Mountain Top | PA | Food Manufacturing311830 | 100-499 | ◐ LIKELY ACTIVE |
| MAMorgan Advanced Materials Certech Inc | Wilkes-Barre | PA | Nonmetallic Mineral Product Manufacturing327120 | 100-499 | ◐ LIKELY ACTIVE |
| MAMorgan Advanced Materials Certech Inc | Wilkes Barre | PA | Nonmetallic Mineral Product Manufacturing327120 | 100-499 | ◐ LIKELY ACTIVE |
| MAMorgan Advanced Materials St Marys | St Marys | PA | Electrical Equipment, Appliance & Component Manufacturing335991 | 100-499 | ◐ LIKELY ACTIVE |
Motion Systems Irwin | Irwin | PA | Electrical Equipment, Appliance & Component Manufacturing335999 | 100-499 | ◐ LIKELY ACTIVE |
| MPMountaintop Pa Gatorade | Mountain Top | PA | Beverage and Tobacco Product Manufacturing312111 | 100-499 | ◐ LIKELY ACTIVE |
| MPMountaintop Pa Gatorade | Mountaintop | PA | Beverage and Tobacco Product Manufacturing312111 | 100-499 | ◐ LIKELY ACTIVE |
| MFMPP Falls Creek | Falls Creek | PA | Fabricated Metal Product Manufacturing332117 | 100-499 | ◐ LIKELY ACTIVE |
| MPMPP Proform | Punxsutawney | PA | Fabricated Metal Product Manufacturing332117 | 100-499 | ◐ LIKELY ACTIVE |
| MSMSA Safety Pittsburgh Manufacturing, LLC - Murrysville | Murrysville | PA | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| MCMulti-Color Corporation - F & B | Tryone | PA | Printing and Related Support Activities323111 | 100-499 | ◐ LIKELY ACTIVE |