| FIFabtech INC | Greencastle | PA | Computer and Electronic Product Manufacturing334415 | 1-19 | ◐ LIKELY ACTIVE |
| FCFetterolf CORP | Skippack | PA | Fabricated Metal Product Manufacturing332911 | 20-99 | ◐ LIKELY ACTIVE |
| FIFielco Industries | Huntingdon Valley | PA | Chemical Manufacturing325520 | 1-19 | ◐ LIKELY ACTIVE |
| FIFilmtronics INC | Butler | PA | Chemical Manufacturing325998 | 20-99 | ◐ LIKELY ACTIVE |
| FTFisher Tank CO | Chester | PA | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| FFFlury Foundry CO - Lancaster Facility | Lancaster | PA | Primary Metal Manufacturing331529 | 1-19 | ◐ LIKELY ACTIVE |
| FIForce Industries | Paoli | PA | Chemical Manufacturing325199 | 1-19 | ◐ LIKELY ACTIVE |
| FMFormit Metal Fabricators LLC | York | PA | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| FCFrank Casilio & Sons, INC | Bethlehem | PA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| FIFranklin Ind Co/franklin | Franklin | PA | Primary Metal Manufacturing331221 | 100-499 | ◐ LIKELY ACTIVE |
| GIGarfield Industries | Philadelphia | PA | Primary Metal Manufacturing331419 | 20-99 | ◐ LIKELY ACTIVE |
| GSGautier Steel Holdings Inc/gautier Steel Johnstown | Johnstown | PA | Primary Metal Manufacturing331110 | 1-19 | ◐ LIKELY ACTIVE |
| GRGill Rock Drill Company INC. | Lebanon | PA | Machinery Manufacturing333991 | 20-99 | ◐ LIKELY ACTIVE |
| GLGreat Lakes Case & Cabinet | Edinboro | PA | Fabricated Metal Product Manufacturing332999 | 100-499 | ◐ LIKELY ACTIVE |
| GLGreat Lakes Manufacturing | Corry | PA | Fabricated Metal Product Manufacturing332322 | 100-499 | ◐ LIKELY ACTIVE |
| GPGupta Permold | Pittsburgh | PA | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
Hendrick Manufacturing CO | Carbondale | PA | Fabricated Metal Product Manufacturing332119 | — | ◐ LIKELY ACTIVE |
| HMH. M. Stauffer & Sons INC | Leola | PA | Wood Product Manufacturing321114 | 100-499 | ◐ LIKELY ACTIVE |
| HIHofmann Ind Inc/sinking Spring | Sinking Spring | PA | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| HCHoover Conveyor & Fabrication CORP | Meyersdale | PA | Machinery Manufacturing333922 | 20-99 | ◐ LIKELY ACTIVE |
| ITIndustrial Terminal Systems, INC. | Pittsburgh | PA | Petroleum and Coal Products Manufacturing324199 | 20-99 | ◐ LIKELY ACTIVE |
| ICInnovative Carbide/irwin | Irwin | PA | Machinery Manufacturing333511 | 20-99 | ◐ LIKELY ACTIVE |
| JPJr Peters INC | Allentown | PA | Chemical Manufacturing325311 | 20-99 | ◐ LIKELY ACTIVE |
| JBJust Born Inc/bethlehem | Bethlehem | PA | Food Manufacturing311340 | 500+ | ◐ LIKELY ACTIVE |
| KFK Fab INC | Berwick | PA | Fabricated Metal Product Manufacturing332999 | 100-499 | ◐ LIKELY ACTIVE |
| KMKore Mart Limited | Hamburg | PA | Chemical Manufacturing325510 | 20-99 | ◐ LIKELY ACTIVE |
| LCLaslos Custom Kitchens | Easton | PA | Furniture and Related Product Manufacturing337110 | 1-19 | ◐ LIKELY ACTIVE |
| LALaurel Aluminum Casting CO | Glassport | PA | Primary Metal Manufacturing331521 | 1-19 | ◐ LIKELY ACTIVE |
| LMLawruk Machine & Tool CO INC | Altoona | PA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| LMLeman Machine CO INC | Portage | PA | Fabricated Metal Product Manufacturing332312 | 1-19 | ◐ LIKELY ACTIVE |
| LFLincoln Foundry Inc/erie | Erie | PA | Primary Metal Manufacturing331492 | 20-99 | ◐ LIKELY ACTIVE |
| LML & M Fabrication & Machine INC | Bath | PA | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| LILogue Industries | Montoursville | PA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| MMalmark | Plumsteadville | PA | Miscellaneous Manufacturing339992 | 20-99 | ◐ LIKELY ACTIVE |
| MMMancor Mfg | Allentown | PA | Transportation Equipment Manufacturing336399 | 100-499 | ◐ LIKELY ACTIVE |
| MFMas Fab, Incorporated Dba Formit Steel Company | Red Lion | PA | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| MWMcshane Welding CO INC | Erie | PA | Fabricated Metal Product Manufacturing332311 | 20-99 | ◐ LIKELY ACTIVE |
| MSMilton Steel CO | Milton | PA | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| MBMold Base Industries INC | Harrisburg | PA | Machinery Manufacturing333511 | 20-99 | ◐ LIKELY ACTIVE |
| NMNitterhouse Masonry /cleveland Ave B & C | Chambersburg | PA | Nonmetallic Mineral Product Manufacturing327332 | 20-99 | ◐ LIKELY ACTIVE |
| NINortheast Indl Batteries INC | Bristol | PA | Electrical Equipment, Appliance & Component Manufacturing335912 | 1-19 | ◐ LIKELY ACTIVE |
| PWPeachey Wood Products | Reedsville | PA | Wood Product Manufacturing321918 | 20-99 | ◐ LIKELY ACTIVE |
| PPPenn Panel & Box CO | Collingdale | PA | Electrical Equipment, Appliance & Component Manufacturing335313 | 1-19 | ◐ LIKELY ACTIVE |
| PRPhiladelphia Rust-proof CO INC | Philadelphia | PA | Fabricated Metal Product Manufacturing332812 | 1-19 | ◐ LIKELY ACTIVE |
| PNPlain N Fancy Kitchens | Schaefferstown | PA | Furniture and Related Product Manufacturing337110 | 20-99 | ◐ LIKELY ACTIVE |
| PMPrecious Metals Plating Company, INC. | Glenolden | PA | Fabricated Metal Product Manufacturing332813 | 1-19 | ◐ LIKELY ACTIVE |
| PCPrecision Cut Industries INC | Hanover | PA | Fabricated Metal Product Manufacturing332119 | 100-499 | ◐ LIKELY ACTIVE |
| PCPressure Chem Co/pgh | Pittsburgh | PA | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| PFProducts Finishing Inc/erie | Erie | PA | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| RIRebco Inc/kersey | Kersey | PA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |