| DMDl Martin Co/mercersburg | Mercersburg | PA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| DPDresser Pipeline Solutions | Bradford | PA | Fabricated Metal Product Manufacturing332919 | — | ◐ LIKELY ACTIVE |
| EIEHC Industries, Inc. | Mount Pleasant | PA | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| EHE H Schwab | Turtle Creek | PA | Fabricated Metal Product Manufacturing332119 | 20-99 | ◐ LIKELY ACTIVE |
| EIEquimeter Incorporated | Du Bois | PA | Fabricated Metal Product Manufacturing332439 | — | ◐ LIKELY ACTIVE |
| EIEuramax International INC | Lancaster | PA | Fabricated Metal Product Manufacturing332321 | — | ◐ LIKELY ACTIVE |
| EWE W Yost Company | Blue Bell | PA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| EMExtreme Machine & Fabrication, Inc. | West Middlesex | PA | Fabricated Metal Product Manufacturing332710 | 100-499 | ◐ LIKELY ACTIVE |
| FSFairchild Semiconductor Corp/wright Twp | Mountain Top | PA | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
Forms + Surfaces 1901 | Glenshaw | PA | Fabricated Metal Product Manufacturing332323 | 100-499 | ◐ LIKELY ACTIVE |
| FUForum US Inc/clearfield Plt | Clearfield | PA | Fabricated Metal Product Manufacturing332420 | — | ◐ LIKELY ACTIVE |
| GIGaven Industries INC | Saxonburg | PA | Fabricated Metal Product Manufacturing332311 | 20-99 | ◐ LIKELY ACTIVE |
| GDGeneral Dynamics Ots (wilkes-barre), LLC | Wilkes Barre | PA | Fabricated Metal Product Manufacturing332111 | 500+ | ◐ LIKELY ACTIVE |
| GMGeneral Metal CO INC | Bensalem | PA | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| GMGerome Manufacturing Company | Smithfield | PA | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| GSGoodhart Sons INC. | Lancaster | PA | Primary Metal Manufacturing331111 | 100-499 | ◐ LIKELY ACTIVE |
| HDHardwood Design INC | Bristol | PA | Fabricated Metal Product Manufacturing332216 | — | ◐ LIKELY ACTIVE |
| HMHardy Machine LLC | Hatfield | PA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| HBHaydon Bolts, Inc. | Philadelphia | PA | Fabricated Metal Product Manufacturing332722 | 20-99 | ◐ LIKELY ACTIVE |
Hdz Fab N Design, LLC | Wampum | PA | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| HPHeraeus Precious Metals Conshohocken LLC | West Conshohocken | PA | Fabricated Metal Product Manufacturing332618 | — | ◐ LIKELY ACTIVE |
| HSHigh Steel Structures INC | Lancaster | PA | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| HSHigh Steel Structures Llc/lancaster Facility | Lancaster | PA | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| HSHigh Steel Structures - Williamsport Facility | Williamsport | PA | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| HDHoffman Diamond Products INC. | Punxsutawney | PA | Fabricated Metal Product Manufacturing332117 | 20-99 | ◐ LIKELY ACTIVE |
| HIHoward Industries | Fairview | PA | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| HGH&w Global Industries INC | Blairsville | PA | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
Iwi US INC | Middletown | PA | Fabricated Metal Product Manufacturing332994 | — | ◐ LIKELY ACTIVE |
| JSJames Spring & Wire Co. | Malvern | PA | Fabricated Metal Product Manufacturing332613 | 20-99 | ◐ LIKELY ACTIVE |
| JEJ & E Industries, INC. | Jermyn | PA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| JFJ. F. Burns Machine Co., INC. | Export | PA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| JMJoseph Machine Company, Inc | Dillsburg | PA | Fabricated Metal Product Manufacturing332321 | 100-499 | ◐ LIKELY ACTIVE |
| KMKalas Manufacturing INC Lancaster Plant | Lancaster | PA | Primary Metal Manufacturing331420 | 100-499 | ◐ LIKELY ACTIVE |
| KMKerotest Manufacturing Corp. Pittsburgh, PA | Pittsburgh | PA | Fabricated Metal Product Manufacturing332911 | 20-99 | ◐ LIKELY ACTIVE |
| LILaminators inc | Hatfield | PA | Fabricated Metal Product Manufacturing332311 | 20-99 | ◐ LIKELY ACTIVE |
| LTLeading Technologies INC | Leechburg | PA | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
Lebanon Machine & Manufacturing CO LLC | Lebanon | PA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| LCLeech Carbide | Meadville | PA | Fabricated Metal Product Manufacturing332117 | 20-99 | ◐ LIKELY ACTIVE |
| LTLeefson Tool & Die CO | Folcroft | PA | Fabricated Metal Product Manufacturing332119 | 1-19 | ◐ LIKELY ACTIVE |
| LPLesleh Precision INC | Rostraver Township | PA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| LCLiberty Coating Company LLC | Morrisville | PA | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| LSLittell Steel Company, Inc. | New Brighton | PA | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| LFL&m Fabrication & Machine Inc/ East Allen | Bath | PA | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| MCMachining Concepts Inc. | Erie | PA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| MTMachining Technology INC. | Hazle Township | PA | Fabricated Metal Product Manufacturing332721 | 1-19 | ◐ LIKELY ACTIVE |
| MTMack Trucks Inc/remanufacturing Ctr | Middletown | PA | Fabricated Metal Product Manufacturing332439 | — | ◐ LIKELY ACTIVE |
| MSMain Steel Inc/harmony | Harmony | PA | Fabricated Metal Product Manufacturing332117 | — | ◐ LIKELY ACTIVE |
| MMMal-ber Manufacturing CO. | Huntingdon Valley | PA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| MEMarkovitz Enterprises | Zelienople | PA | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| MIMcgregor Ind Inc/dunmore Plt | Dunmore | PA | Fabricated Metal Product Manufacturing332312 | 1-19 | ◐ LIKELY ACTIVE |