Metco Ind | Saint Marys | 100–499 | ● ACTIVE |
Metplas INC | Natrona Heights | 20–99 | ● ACTIVE |
Miller Welding & Machine CO | Brookville | — | ● ACTIVE |
Mission Critical Solutions, LLC | Alum Bank | 20–99 | ● ACTIVE |
| MWMi Windows & Doors INC | Hegins | 100–499 | ● ACTIVE |
Modern Industries, INC. | Erie | 100–499 | ● ACTIVE |
Nammo Pocal INC | Scranton | 20–99 | ● ACTIVE |
N. E. Reihart & Sons, INC. | Huntingdon | 20–99 | ● ACTIVE |
| NSNew Standard CORP | York | 100–499 | ● ACTIVE |
| NTNonlethal Technologies, INC. | Homer City | 20–99 | ● ACTIVE |
Norcen Industries, INC. | Jersey Shore | 1–19 | ● ACTIVE |
North American Forgemasters CO | New Castle | — | ● ACTIVE |
Northeast Industrial Manufacturing, INC. | Greenville | 20–99 | ● ACTIVE |
Nu-tec Tooling Co., INC. | Watsontown | 1–19 | ● ACTIVE |
Oberg Industries LLC | Freeport | 100–499 | ● ACTIVE |
Ogontz CORP | Willow Grove | 1–19 | ● ACTIVE |
Olympic Tool & Machine CORP | Aston | 20–99 | ● ACTIVE |
Orbel CORP | Easton | 20–99 | ● ACTIVE |
Painter Tool Incorporated | Irwin | 20–99 | ● ACTIVE |
Penflex CORP | Gilbertsville | 20–99 | ● ACTIVE |
| PIPenn-elkco INC | Saint Marys | 1–19 | ● ACTIVE |
Penn Engineering & Manufacturing CORP | Danboro | 100–499 | ● ACTIVE |
Pennfab INC | Morrisville | 20–99 | ● ACTIVE |
| PMPenn Metal Fabricators INC | Ebensburg | 1–19 | ● ACTIVE |
Pennsylvania Machine Works, LLC | Aston | 100–499 | ● ACTIVE |
Penn United Technologies INC | Cabot | 100–499 | ● ACTIVE |
Peters Heat Treating INC | Meadville | 20–99 | ● ACTIVE |
Petrex INC | Warren | 20–99 | ● ACTIVE |
| PRPik Rite INC | Lewisburg | 100–499 | ● ACTIVE |
Pioneer Energy Products, LLC | Oil City | 20–99 | ● ACTIVE |
Pioneer Tool & Forge, INC. | New Kensington | 1–19 | ● ACTIVE |
Pittsburgh Precision Turned Products, LLC | Pittsburgh | 20–99 | ● ACTIVE |
Pittsburgh Tubular Shafting, INC. | Rochester | 1–19 | ● ACTIVE |
Plouse Machine Shop, INC. | Highspire | 20–99 | ● ACTIVE |
Pmf Industries, INC. | Williamsport | 20–99 | ● ACTIVE |
Portersville Prd, LLC | New Castle | 100–499 | ● ACTIVE |
| PDPrecision Defense Services INC | Irwin | 100–499 | ● ACTIVE |
| PMPrecision Marshall Steel | Washington | 20–99 | ● ACTIVE |
Precision Profiles LLC | Titusville | 20–99 | ● ACTIVE |
| PRPrecision Roll Grinders INC | Allentown | 100–499 | ● ACTIVE |
| PIPre-mach INC | York | 20–99 | ● ACTIVE |
Pulse Technologies INC | Quakertown | 100–499 | ● ACTIVE |
| PFPunxsutawney Finishing Works, INC | Punxsutawney | 20–99 | ● ACTIVE |
Q Company, LLC | New Berlin | 20–99 | ● ACTIVE |
Qdp, INC. | Plymouth Meeting | 1–19 | ● ACTIVE |
| QMQuality Machined Products and Manufacturing, INC. | New Kensington | 20–99 | ● ACTIVE |
Reimel Machine INC | Willow Grove | 20–99 | ● ACTIVE |
Rex Heat Treat Lansdale INC | Lansdale | 20–99 | ● ACTIVE |
| RMReynolds Machine CO. | Ruffs Dale | 1–19 | ● ACTIVE |
Richter Precision INC | East Petersburg | 100–499 | ● ACTIVE |