| BSBae Sys Land & Armaments Lp/york | York | PA | Transportation Equipment Manufacturing336992 | — | ◐ LIKELY ACTIVE |
| CCCheetah Chassis CORP | Berwick | PA | Machinery Manufacturing333924 | 100-499 | ◐ LIKELY ACTIVE |
| DMDor Mae Industries INC | Reading | PA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| DIDudlik Industries INC. | Hatboro | PA | Fabricated Metal Product Manufacturing332322 | 1-19 | ◐ LIKELY ACTIVE |
| EMEby M H INC | Blue Ball | PA | Transportation Equipment Manufacturing336211 | 500+ | ◐ LIKELY ACTIVE |
| EFErie Forge & Steel INC | Erie | PA | Chemical Manufacturing325411 | 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 | 1-19 | ◐ LIKELY ACTIVE |
| LRLoad Rite Trailers INC | Fairless Hills | PA | Transportation Equipment Manufacturing336214 | 100-499 | ◐ LIKELY ACTIVE |
Martin-baker America INC | Johnstown | PA | Transportation Equipment Manufacturing336413 | 100-499 | ◐ 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 |
| STSummit Trailers LLC | Schuylkill Haven | PA | Transportation Equipment Manufacturing336212 | 20-99 | ◐ LIKELY ACTIVE |
| MMMancor Mfg | Allentown | PA | Transportation Equipment Manufacturing336399 | 100-499 | ◐ LIKELY ACTIVE |
| BBoyesen | Lenhartsville | PA | Transportation Equipment Manufacturing336991 | 20-99 | ◐ LIKELY ACTIVE |
| BTBwise Trailers | Chambersburg | PA | Transportation Equipment Manufacturing336212 | — | ◐ 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 |
| JMJohnson Matthey INC | Smithfield | PA | Transportation Equipment Manufacturing336390 | — | ◐ LIKELY ACTIVE |
| JMJohnson Matthey, INC. | Wayne | PA | Transportation Equipment Manufacturing336390 | 500+ | ◐ LIKELY ACTIVE |
| JMJohnson Matthey - Wayne Plt | Wayne | PA | Transportation Equipment Manufacturing336312 | — | ◐ 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 |
Max Ta Group LLC | Sharpsville | PA | Transportation Equipment Manufacturing336992 | — | ◐ LIKELY ACTIVE |
| PMPenn Machine CO INC | Johnstown | PA | Machinery Manufacturing333131 | 20-99 | ◐ LIKELY ACTIVE |
| RIReitnouer INC. | Birdsboro | PA | Transportation Equipment Manufacturing336212 | 100-499 | ◐ LIKELY ACTIVE |
| SVSpecialized Vehicles Corp/montgomery Plt | Montgomery | PA | Transportation Equipment Manufacturing336211 | — | ◐ LIKELY ACTIVE |
Stewart-amos Equipment CO | Harrisburg | PA | Transportation Equipment Manufacturing336211 | 20-99 | ◐ LIKELY ACTIVE |
| SESutphen East Corporation | Lake Ariel | PA | Transportation Equipment Manufacturing336120 | 20-99 | ◐ LIKELY ACTIVE |
| SWSwab Wagon Company | Elizabethville | PA | Transportation Equipment Manufacturing336111 | 20-99 | ◐ LIKELY ACTIVE |
Tci Mobility, LLC | Sciota | PA | Transportation Equipment Manufacturing336211 | 1-19 | ◐ LIKELY ACTIVE |
| UEUnison Engine Components Mountaintop | Mountain Top | PA | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| AIAmer Ind | Sharon | PA | Transportation Equipment Manufacturing336510 | — | ◐ LIKELY ACTIVE |
| GTGe Transportation Emporium Facility | Emporium | PA | Electrical Equipment, Appliance & Component Manufacturing335312 | — | ◐ LIKELY ACTIVE |
| GDGreat Dane Trailers | Elysburg | PA | Transportation Equipment Manufacturing336212 | — | ◐ LIKELY ACTIVE |
| JPJones Performance Pr/west Middlesex | West Middlesex | PA | Transportation Equipment Manufacturing336211 | — | ◐ LIKELY ACTIVE |
| PWPratt & Whitney Amercon Div United Tech Corp/middletown | Middletown | PA | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| SPSensenich Propeller Mfg CO | Lititz | PA | Transportation Equipment Manufacturing336412 | 20-99 | ◐ LIKELY ACTIVE |
| WCWells Cargo/carbondale Plt | Carbondale | PA | Transportation Equipment Manufacturing336214 | — | ◐ LIKELY ACTIVE |
| WGWyman Gordon Tru-form | Wilkes Barre | PA | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| ASAndromeda Space CORP | State College | PA | Transportation Equipment Manufacturing336414 | — | ◐ LIKELY ACTIVE |
| ASA. Stucki | Moon Twp | PA | Transportation Equipment Manufacturing336510 | 20-99 | ◐ LIKELY ACTIVE |
Powerrail Holdings, INC. | Exeter | PA | Transportation Equipment Manufacturing336510 | — | ◐ LIKELY ACTIVE |
Raptor Design & Engineering LLC | Belleville | PA | Transportation Equipment Manufacturing336612 | — | ◐ LIKELY ACTIVE |
| TCTruck-lite Co., LLC | Erie | PA | Transportation Equipment Manufacturing336320 | — | ◐ LIKELY ACTIVE |
| CNColumbia Northwest, INC. | Mount Pleasant | PA | Transportation Equipment Manufacturing336214 | 20-99 | ◐ LIKELY ACTIVE |
| ITIti Trailer & Truck Bodies INC | Meyersdale | PA | Fabricated Metal Product Manufacturing332420 | 20-99 | ◐ LIKELY ACTIVE |
| KSKeehn Service Corporation | Coatesville | PA | Transportation Equipment Manufacturing336211 | 20-99 | ◐ LIKELY ACTIVE |
| APAker Phila Shipyard | Philadelphia | PA | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |