| CHClayton H Landis CO INC | Souderton | PA | Fabricated Metal Product Manufacturing332323 | 100-499 | ◐ LIKELY ACTIVE |
| CSCleveland Steel Container/quakertown | Quakertown | PA | Fabricated Metal Product Manufacturing332431 | 20-99 | ◐ LIKELY ACTIVE |
| CBCorle Building Systems | Imler | PA | Fabricated Metal Product Manufacturing332311 | 100-499 | ◐ LIKELY ACTIVE |
| CFCorry Fabrication/corry | Corry | PA | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| CFCraftweld Fabrication Co., INC. | Montgomeryville | PA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ 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 |
| ESEastern Sintered Alloys INC | Saint Marys | PA | Fabricated Metal Product Manufacturing332117 | 100-499 | ◐ LIKELY ACTIVE |
| EIEbinger Iron Works | Schuylkill Haven | PA | Fabricated Metal Product Manufacturing332323 | 20-99 | ◐ LIKELY ACTIVE |
| EMEllwood Mill Products | New Castle | PA | Fabricated Metal Product Manufacturing332111 | 20-99 | ◐ LIKELY ACTIVE |
| EHErie Hard Chrome Inc/erie | Erie | PA | Fabricated Metal Product Manufacturing332813 | 1-19 | ◐ LIKELY ACTIVE |
Evans Heat Treating Company | Huntingdon Valley | PA | Fabricated Metal Product Manufacturing332811 | 1-19 | ◐ LIKELY ACTIVE |
| FMFairfield Manufacturing CO INC | Montoursville | PA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
Gasbarre Products INC | Dubois | PA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| GMGemini Machining Company, INC. | Easton | PA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| GDGeneral Dynamics Ots (pa) INC | Red Lion | PA | Fabricated Metal Product Manufacturing332992 | 100-499 | ◐ LIKELY ACTIVE |
| GPGeneral Partitions | Erie | PA | Fabricated Metal Product Manufacturing332311 | 20-99 | ◐ LIKELY ACTIVE |
Golis Machine Incorporated | Montrose | PA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| GAGraham Architectural Products CORP | York | PA | Fabricated Metal Product Manufacturing332321 | 100-499 | ◐ LIKELY ACTIVE |
| HTHighland Tank, LLC (Stoystown, PA) | Stoystown | PA | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| HTHytech Tool & Design CO. | Edinboro | PA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| IIIgs Industries INC | Meadow Lands | PA | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| ISIndustrial Sales & Manufacturing | Erie | PA | Fabricated Metal Product Manufacturing332710 | 100-499 | ◐ LIKELY ACTIVE |
| IFIntegrated Fabrication & Machine, Inc. | Greenville | PA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| ITIon Technologies | Ridgway | PA | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| KFKeystone Forging CO | Northumberland | PA | Fabricated Metal Product Manufacturing332111 | 20-99 | ◐ LIKELY ACTIVE |
| KFKeystone Friction Hinge Co | South Williamsport | PA | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |
| KPKeystone Powdered Metal Co/lewis Run | Lewis Run | PA | Fabricated Metal Product Manufacturing332117 | 100-499 | ◐ LIKELY ACTIVE |
| KPKeystone Powdered Metal CO - St Marys Facility | Saint Marys | PA | Fabricated Metal Product Manufacturing332117 | 100-499 | ◐ LIKELY ACTIVE |
| KSKeystone Screw Corp/willow Grove | Willow Grove | PA | Fabricated Metal Product Manufacturing332722 | 20-99 | ◐ LIKELY ACTIVE |
| KMKin-tech Mfg INC | Irwin | PA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| KPKlein Plating Works | Erie | PA | Fabricated Metal Product Manufacturing332813 | 20-99 | ▲ REPORTED CLOSED |
| KGKorns Galvanizing CO INC | Johnstown | PA | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| LMLancaster Metal Manufacturing | Lancaster | PA | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| LHLehigh Heavy Forge CORP | Bethlehem | PA | Textile Product Mills314999 | 100-499 | ◐ LIKELY ACTIVE |
Lloyd Industries, INC. | Montgomeryville | PA | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| MIMae-eitel, INC | Orwigsburg | PA | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| MWMaxwell Welding & Machine | Burgettstown | PA | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| MFMeadville Forging Company - MFC | Meadville | PA | Fabricated Metal Product Manufacturing332111 | 100-499 | ◐ LIKELY ACTIVE |
| MIMetalkraft Industries INC. | Wellsboro | PA | Fabricated Metal Product Manufacturing332117 | 20-99 | ◐ LIKELY ACTIVE |
| MSMichelman Steel Enterprises LLC | Bethlehem | PA | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| MTMicro Tool Company, INC. | Bethlehem | PA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| MFModel Finishing Co/phila | Philadelphia | PA | Fabricated Metal Product Manufacturing332999 | 1-19 | ◐ LIKELY ACTIVE |
| MModineer-pulverman | Dallas | PA | Fabricated Metal Product Manufacturing332322 | 100-499 | ◐ LIKELY ACTIVE |
| MMMoore & Morford INC | Greensburg | PA | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| MCMorris Coupling Company | Erie | PA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| NCN C Stauffer & Sons INC | Factoryville | PA | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| NWNew Way Machine Components, INC | Aston | PA | Fabricated Metal Product Manufacturing332312 | 20-99 | ▲ REPORTED CLOSED |
| NPNorth Penn Polishing & Plating INC. | Sellersville | PA | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| OSO'rourke & Sons, INC. | West Chester | PA | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |