| BSBae Sys Land & Armaments Lp/york | York | PA | Transportation Equipment Manufacturing336992 | — | ◐ LIKELY ACTIVE |
| PPPmg Pennsylvania CORP | Philipsburg | PA | Fabricated Metal Product Manufacturing332117 | 100-499 | ◐ LIKELY ACTIVE |
| RTReading Truck Body, LLC | Reading | PA | Fabricated Metal Product Manufacturing332312 | 500+ | ◐ LIKELY ACTIVE |
| EFErie Forge & Steel INC | Erie | PA | Chemical Manufacturing325411 | — | ◐ LIKELY ACTIVE |
Acutec Precision Aerospace, INC. | Meadville | PA | Fabricated Metal Product Manufacturing332721 | — | ◐ LIKELY ACTIVE |
| AIAmer Ind | Sharon | PA | Transportation Equipment Manufacturing336510 | — | ◐ LIKELY ACTIVE |
| BTBwise Trailers | Chambersburg | PA | Transportation Equipment Manufacturing336212 | — | ◐ LIKELY ACTIVE |
| CCCheetah Chassis CORP | Berwick | PA | Machinery Manufacturing333924 | 100-499 | ◐ LIKELY ACTIVE |
| CSCurry Supply Co/hollidaysburg | Hollidaysburg | PA | Transportation Equipment Manufacturing336211 | 100-499 | ◐ LIKELY ACTIVE |
| DDDana Driveshaft Prod Llc/pottstown | Pottstown | PA | Transportation Equipment Manufacturing336350 | — | ◐ LIKELY ACTIVE |
| DMDor Mae Industries INC | Reading | PA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| HMHarley-davidson Motor CO Operations INC | York | PA | Transportation Equipment Manufacturing336991 | — | ◐ LIKELY ACTIVE |
| JEJeraco Enterprises Inc/milton Plt | Milton | PA | Transportation Equipment Manufacturing336212 | — | ◐ LIKELY ACTIVE |
| JMJohnson Matthey INC | Smithfield | PA | Transportation Equipment Manufacturing336390 | — | ◐ LIKELY ACTIVE |
| JMJohnson Matthey - Wayne Plt | Wayne | PA | Transportation Equipment Manufacturing336312 | — | ◐ LIKELY ACTIVE |
| LRLoad Rite Trailers INC | Fairless Hills | PA | Transportation Equipment Manufacturing336214 | 100-499 | ◐ LIKELY ACTIVE |
| LCLord Corp/erie | Erie | PA | Textile Mills313320 | 500+ | ◐ LIKELY ACTIVE |
| LELycoming Engines/oliver St Plt | Williamsport | PA | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| MTMack Trucks Inc/macungie | Macungie | PA | Transportation Equipment Manufacturing336120 | — | ◐ LIKELY ACTIVE |
| MIMgs Inc/const Denver | Denver | PA | Transportation Equipment Manufacturing336212 | — | ◐ LIKELY ACTIVE |
| PMPenn Machine CO INC | Johnstown | PA | Machinery Manufacturing333131 | 20-99 | ◐ LIKELY ACTIVE |
| PWPratt & Whitney Amercon Div United Tech Corp/middletown | Middletown | PA | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| SVSpecialized Vehicles Corp/montgomery Plt | Montgomery | PA | Transportation Equipment Manufacturing336211 | — | ◐ LIKELY ACTIVE |
| UEUnison Engine Components Mountaintop | Mountain Top | PA | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| JPJones Performance Pr/west Middlesex | West Middlesex | PA | Transportation Equipment Manufacturing336211 | — | ◐ LIKELY ACTIVE |
Philadelphia Ship Services LLP | Villanova | PA | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
Quigley Motor Company, Incorporated | Manchester | PA | Transportation Equipment Manufacturing336350 | — | ◐ LIKELY ACTIVE |
| ACAmerican Cargo Group Trailers LLC | Mcadoo | PA | Machinery Manufacturing333924 | 20-99 | ◐ LIKELY ACTIVE |
| ASA. Stucki dba Independent Draft Gear | Farrell | PA | Transportation Equipment Manufacturing336510 | 1-19 | ◐ LIKELY ACTIVE |
| ATAtlantic Track & Turnout CO. | Saint Clair | PA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| BSBissinger & Stein,inc. | Kulpsville | PA | Transportation Equipment Manufacturing336412 | 20-99 | ◐ LIKELY ACTIVE |
| BIBoeing Integrated Defense Systems Group Rototcraft | Ridley Park | PA | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| CCCheetah Chassis Corp/berwick Plt | Berwick | PA | Transportation Equipment Manufacturing336212 | — | ◐ LIKELY ACTIVE |
| DIDudlik Industries INC. | Hatboro | PA | Fabricated Metal Product Manufacturing332322 | — | ◐ LIKELY ACTIVE |
| EMEastern Manufacturing LLC | Montgomery | PA | Transportation Equipment Manufacturing336390 | 20-99 | ◐ LIKELY ACTIVE |
| GDGeneral Dynamics Land Systems INC | Eynon | PA | Transportation Equipment Manufacturing336992 | — | ◐ LIKELY ACTIVE |
| JAJ. A. Reinhardt & Co., INC. | Mountainhome | PA | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| JMJohnson Matthey, INC. | Wayne | PA | Transportation Equipment Manufacturing336390 | 500+ | ◐ LIKELY ACTIVE |
| KRKasgro Rail/taylor Twp | New Castle | PA | Transportation Equipment Manufacturing336510 | — | ◐ LIKELY ACTIVE |
| MCMcneilus Co/morgantown Truck Serv Facili | Morgantown | PA | Transportation Equipment Manufacturing336120 | — | ◐ LIKELY ACTIVE |
| MMMetro Machine CORP | Philadelphia | PA | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| MTMorgan Truck Body Ephrata | Ephrata | PA | Transportation Equipment Manufacturing336211 | — | ◐ LIKELY ACTIVE |
| NSNorfolk Southern Railway Company | Altoona | PA | Transportation Equipment Manufacturing336510 | — | ◐ LIKELY ACTIVE |
| NLNovae LLC | Mountain Top | PA | Transportation Equipment Manufacturing336212 | 20-99 | ◐ LIKELY ACTIVE |
| PMPenn Machine Company LLC PLG | Blairsville | PA | Machinery Manufacturing333612 | 1-19 | ◐ LIKELY ACTIVE |
| RCRalmark Company | Larksville | PA | Fabricated Metal Product Manufacturing332439 | 20-99 | ◐ LIKELY ACTIVE |
| RBReading Body Works INC. | Reading | PA | Transportation Equipment Manufacturing336211 | — | ◐ LIKELY ACTIVE |
| RTReading Term De Llc/sinking Spring E & W Term | Sinking Spring | PA | Transportation Equipment Manufacturing336120 | — | ◐ LIKELY ACTIVE |
| RSR.h. Sheppard Co., INC. | Hanover | PA | Fabricated Metal Product Manufacturing332322 | 500+ | ◐ LIKELY ACTIVE |
Rpm Industries | Washington | PA | Transportation Equipment Manufacturing336390 | 20-99 | ◐ LIKELY ACTIVE |