| BABristol Aluminum CO | Levittown | 20–99 | ● ACTIVE |
Btm INC | Jim Thorpe | 20–99 | ● ACTIVE |
B & W Machine Works, INC. | Perkasie | — | ● ACTIVE |
Caldwell CORP | Emporium | — | ● ACTIVE |
Caltech Manufacturing, INC | Warminster | 20–99 | ● ACTIVE |
Cdm Holdings, INC. | Philadelphia | — | ● ACTIVE |
Clark Metal Products CO | Blairsville | 20–99 | ● ACTIVE |
Cnc Manufacturing INC | Coatesville | — | ● ACTIVE |
Cnc Specialties Manufacturing INC | Apollo | — | ● ACTIVE |
| CFCompucraft Fabricators INC | Montgomeryville | — | ● ACTIVE |
Container Research CORP | Aston | 100–499 | ● ACTIVE |
Contine CORP | Erie | 20–99 | ● ACTIVE |
Conturo Prototyping LLC | Pittsburgh | — | ● ACTIVE |
Custom Container Solutions LLC | Milton | — | ● ACTIVE |
| DPDanco Precision, INC. | Phoenixville | — | ● ACTIVE |
| DDDechert Dynamics CORP | Palmyra | 20–99 | ● ACTIVE |
Deist Industries, LLC | Hadley | — | ● ACTIVE |
Deval Life Cycle Support LLC | Philadelphia | — | ● ACTIVE |
Dolans Welding & Steel Fabrication CO INC | Johnstown | 20–99 | ● ACTIVE |
Eagle Stainless, INC. | Warminster | — | ● ACTIVE |
| EPEF Precision | Willow Grove | 20–99 | ● ACTIVE |
Eht, INC | Saint Marys | — | ● ACTIVE |
| EEElectron Energy LLC | Landisville | — | ● ACTIVE |
| ESElectro Space Fabricators INC | Topton | 20–99 | ● ACTIVE |
Elemental Shelter Solutions, LLC | Burgettstown | 20–99 | ● ACTIVE |
| ECEllwood Crankshaft & Mach Co/sharon | Sharon | 20–99 | ● ACTIVE |
| ENEllwood National Crankshaft Company | Irvine | 100–499 | ● ACTIVE |
Emb Machining Services INC | Whitney | — | ● ACTIVE |
| EMEpic Metals CORP | Braddock | — | ● ACTIVE |
Erie Weld Products, INC. | Erie | — | ● ACTIVE |
Est Group INC | Hatfield | 100–499 | ● ACTIVE |
Evans Heat Treating Company | Huntingdon Valley | — | ● ACTIVE |
Extech/exterior Technologies, INC. | Pittsburgh | — | ● ACTIVE |
Ezeflow USA INC | New Castle | — | ● ACTIVE |
Fabricon, INC. | Temple | — | ● ACTIVE |
Fasteners Unlimited INC | Warrendale | — | ● ACTIVE |
Federal Carbide CO | Tyrone | 20–99 | ● ACTIVE |
Forms & Surfaces INC | Pittsburgh | — | ● ACTIVE |
Gapvax INC | Johnstown | 100–499 | ● ACTIVE |
Garrod Hydraulics INC | York | — | ● ACTIVE |
General Carbide Corporation | Greensburg | 100–499 | ● ACTIVE |
General Manufacturing CO. | Bethel Park | — | ● ACTIVE |
| GTGermantown Tool Machine Shop, INC. | Huntingdon Valley | 20–99 | ● ACTIVE |
Global Incorporated | Somerset | — | ● ACTIVE |
Golis Machine Incorporated | Montrose | — | ● ACTIVE |
Grand Valley Manufacturing CO | Titusville | — | ● ACTIVE |
Greco Steel Products, INC | Springdale | 20–99 | ● ACTIVE |
| GIGsm Industrial | Lancaster | 100–499 | ● ACTIVE |
| HIHall Industries INC | Ellwood City | 20–99 | ● ACTIVE |
Hamill Manufacturing Company | Trafford | 100–499 | ● ACTIVE |