| PGPan Glo /bethlehem | Bethlehem | PA | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| PMPatriot Metal Products | Berwick | PA | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| PAPennex Aluminum Company - York | York | PA | Primary Metal Manufacturing331316 | 20-99 | ◐ LIKELY ACTIVE |
| PTPennsylvania Transformer Technologies, LLC - Canonsburg, PA | Canonsburg | PA | Fabricated Metal Product Manufacturing332420 | 100-499 | ◐ LIKELY ACTIVE |
Penn United Technologies, Inc (Building 10 Location) | Sarver | PA | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| PHPhoenix Hotform | Allentown | PA | Fabricated Metal Product Manufacturing332111 | 20-99 | ◐ LIKELY ACTIVE |
| PPPittsburgh Plug & Products CORP | Evans City | PA | Fabricated Metal Product Manufacturing332510 | 20-99 | ◐ LIKELY ACTIVE |
| PMPleasant Mt Welding INC | Carbondale | PA | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| PCPlum CORP | Greensburg | PA | Primary Metal Manufacturing331221 | — | ◐ LIKELY ACTIVE |
| PCPrecision Custom Components, LLC | York | PA | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| PPPrecision Plating Co/new Castle | New Castle | PA | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| PFProducts Finishing Inc/erie | Erie | PA | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| PTPrompton Tool INC | Honesdale | PA | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| PPPro Process, LLC | Saint Marys | PA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| PBPtr Baler and Compactor | Philadelphia | PA | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| QIQortek INC | State College | PA | Fabricated Metal Product Manufacturing332994 | — | ◐ LIKELY ACTIVE |
| QMQualex Manufacturing LLC | Franklin | PA | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| RCRalmark Company | Larksville | PA | Fabricated Metal Product Manufacturing332439 | 20-99 | ◐ LIKELY ACTIVE |
| RPReading Plating & Polishing/reading Plt | Reading | PA | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| RIReynolds Iron Works/williamsport Plt | Williamsport | PA | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| RSR.h. Sheppard Co., INC. | Hanover | PA | Fabricated Metal Product Manufacturing332322 | 500+ | ◐ LIKELY ACTIVE |
| RTRoss Technology CORP | Leola | PA | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| RMRostand Mfg CO | Norristown | PA | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| RMRps Machinery Sales, INC. | Jersey Shore | PA | Fabricated Metal Product Manufacturing332312 | 1-19 | ◐ LIKELY ACTIVE |
| RMRps Machinery Sales/jersey Shore Plt | Jersey Shore | PA | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| RMRTI Machine Inc. | Polk | PA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| RARuggieros Auto Body/perkasie | Perkasie | PA | Fabricated Metal Product Manufacturing332400 | — | ◐ LIKELY ACTIVE |
| SSSchlosser Steel, INC. | Hatfield | PA | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| SESchneider Elec USA INC | Leesport | PA | Fabricated Metal Product Manufacturing332322 | — | ◐ LIKELY ACTIVE |
| SUSensus USA INC | Dubois | PA | Fabricated Metal Product Manufacturing332439 | — | ◐ LIKELY ACTIVE |
| SGSfs Group USA Inc/wyomissing | Wyomissing | PA | Fabricated Metal Product Manufacturing332722 | — | ◐ LIKELY ACTIVE |
| SISfs Intec Screw Mfg Exeter Plt | Reading | PA | Fabricated Metal Product Manufacturing332722 | — | ◐ LIKELY ACTIVE |
| SIShumaker Ind/northumberland Plt | Northumberland | PA | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| SCSilgan Containers | Breinigsville | PA | Fabricated Metal Product Manufacturing332431 | — | ◐ LIKELY ACTIVE |
| SUSkf USA INC Altoona Plant | Altoona | PA | Fabricated Metal Product Manufacturing332991 | — | ◐ LIKELY ACTIVE |
| SMSkovira Machine CO | Scottdale | PA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| SMSlothower Machine Shop LLC | York | PA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| SISolar Innovations | Pine Grove | PA | Fabricated Metal Product Manufacturing332321 | 100-499 | ◐ LIKELY ACTIVE |
| SBSpecialty Bar Products Company | Blairsville | PA | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| SISpectrum Ind Coatings Inc/st Thomas | Saint Thomas | PA | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| SIS.s. Industries | Collegeville | PA | Fabricated Metal Product Manufacturing332323 | — | ◐ LIKELY ACTIVE |
Steel Fab Enterprises Inc/pequea | Lancaster | PA | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| SPSteel Plus INC Dba Flintwood Metals INC | Lebanon | PA | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| SPStellar Precision Components. LTD. | Jeannette | PA | Fabricated Metal Product Manufacturing332710 | — | ▲ REPORTED CLOSED |
| SMSt Marys Metal Finishings INC | Saint Marys | PA | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| SVStrahman Valves, INC. | Bethlehem | PA | Fabricated Metal Product Manufacturing332911 | 20-99 | ◐ LIKELY ACTIVE |
| SSStrait Steel INC | Greencastle | PA | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| SSSummit Steel Fabricating Group, INC. | Reading | PA | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| SMSuperior Metal Products Co Inc | Pottstown | PA | Fabricated Metal Product Manufacturing332313 | 1-19 | ◐ LIKELY ACTIVE |
| SMSupreme Mid Atlantic/plant 1 - Union Twp | Jonestown | PA | Fabricated Metal Product Manufacturing332300 | — | ◐ LIKELY ACTIVE |