Mimetic Ink CORP. | Pittsburgh, PA | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| MGModerne Glass CO INC | Aliquippa, PA | Nonmetallic Mineral Product Manufacturing327215 | — | ◐ LIKELY ACTIVE |
| PCPannier Corporation | Gibsonia, PA | Miscellaneous Manufacturing339950 | — | ◐ LIKELY ACTIVE |
Precision Neuroscopics INC | Pittsburgh, PA | Computer and Electronic Product Manufacturing334510 | — | ◐ LIKELY ACTIVE |
Simple Origin INC. | Pittsburgh, PA | Computer and Electronic Product Manufacturing334516 | — | ◐ LIKELY ACTIVE |
| SSSpecialty Seal Group/latrobe Plt | Latrobe, PA | Computer and Electronic Product Manufacturing334413 | — | ◐ LIKELY ACTIVE |
Ssab, INC. | Moon Township, PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
The Mini Pie Box, LLC | Pittsburgh, PA | Food Manufacturing311813 | — | ◐ LIKELY ACTIVE |
Union Orthotics & Prosthetics CO. | Pittsburgh, PA | Miscellaneous Manufacturing339113 | — | ◐ LIKELY ACTIVE |
Wisco Calibration Services INC | Pittsburgh, PA | Computer and Electronic Product Manufacturing334417 | — | ◐ LIKELY ACTIVE |
| GIGaven Industries INC | Saxonburg, PA | Fabricated Metal Product Manufacturing332311 | — | ◐ LIKELY ACTIVE |
| NGNeville Galvanizing INC. | Pittsburgh, PA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| 4S43rd St., Inc. | Pittsburgh, PA | Nonmetallic Mineral Product Manufacturing327320 | 20–99 | ◐ LIKELY ACTIVE |
| 5G5 Generation Bakers - Bakery | Mc Kees Rocks, PA | Food Manufacturing311812 | 20–99 | ◐ LIKELY ACTIVE |
| APAccutrex Prod Cecil Plt | Canonsburg, PA | Fabricated Metal Product Manufacturing332322 | — | ◐ LIKELY ACTIVE |
AccuTrex Products Inc. Washington Plant | Washington, PA | Machinery Manufacturing333998 | 20–99 | ◐ LIKELY ACTIVE |
| AGAcf Group Llc/allison Custom Fabrication | Allison, PA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| AGAggressive Grinding Svc INC | Latrobe, PA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| ALAir Liquide Amer Corp/donora | Donora, PA | Chemical Manufacturing325120 | — | ◐ LIKELY ACTIVE |
| ASAk Steel Corp/butler Works | Butler, PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| AAliquippa | Aliquippa, PA | Nonmetallic Mineral Product Manufacturing327331 | 1–19 | ◐ LIKELY ACTIVE |
| AMAllegheny Mineral Corp/slippery Rock | Slippery Rock, PA | Nonmetallic Mineral Product Manufacturing327410 | — | ◐ LIKELY ACTIVE |
| AMAllegheny Mineral Harrisville | Harrisville, PA | Nonmetallic Mineral Product Manufacturing327410 | — | ◐ LIKELY ACTIVE |
| APAlleima Precision Tube LLC | Scottdale, PA | Primary Metal Manufacturing331210 | 20–99 | ◐ LIKELY ACTIVE |
| ALAlmatis Leetsdale Fac | Leetsdale, PA | Chemical Manufacturing325180 | — | ◐ LIKELY ACTIVE |
Altium Packaging - New Castle | New Castle, PA | Plastics and Rubber Products Manufacturing326160 | 20–99 | ◐ LIKELY ACTIVE |
| AVAlumicore Ventures Llc/monessen | Monessen, PA | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| ACAmg Chrome Us/599 Northgate Cir Fac | New Castle, PA | Apparel Manufacturing315999 | — | ◐ LIKELY ACTIVE |
| AMApis Mead & Winery | Carnegie, PA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| ATArconic Tech LLC - Arconic Tech Center | New Kensington, PA | Nonmetallic Mineral Product Manufacturing327125 | — | ◐ LIKELY ACTIVE |
| ASAscensus Specialties Callery LLC | Evans City, PA | Chemical Manufacturing325180 | — | ◐ LIKELY ACTIVE |
| ACAssociated Ceramics & Technology Inc | Sarver, PA | Nonmetallic Mineral Product Manufacturing327110 | 20–99 | ◐ LIKELY ACTIVE |
| BCBASF Corporation - Monaca Site | Monaca, PA | Chemical Manufacturing325199 | 100–499 | ◐ LIKELY ACTIVE |
| BMBeaver Manufacturing Plant | Beaver, PA | Electrical Equipment, Appliance & Component Manufacturing335110 | 100–499 | ◐ LIKELY ACTIVE |
| BPBergen Pipe Supports | Donora, PA | Fabricated Metal Product Manufacturing332312 | 20–99 | ◐ LIKELY ACTIVE |
| BMBillco Manufacturing, Inc. | Zelienople, PA | Machinery Manufacturing333249 | 20–99 | ◐ LIKELY ACTIVE |
| BEBloom Engineering Company INC | Charleroi, PA | Fabricated Metal Product Manufacturing332313 | 20–99 | ◐ LIKELY ACTIVE |
| BCBolsan CO Inc/eighty Four | Eighty Four, PA | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| BRBronze Resources | Aliquippa, PA | Primary Metal Manufacturing331522 | — | ◐ LIKELY ACTIVE |
| BCButler Color Press/butler | Butler, PA | Printing and Related Support Activities323111 | — | ◐ LIKELY ACTIVE |
| BTButler Technologies Inc | Butler, PA | Printing and Related Support Activities323113 | 20–99 | ◐ LIKELY ACTIVE |
| CTCarclo Technical Plastics | Export, PA | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| CCCemex Construction Materials Atlantic LLC | Wampum, PA | Nonmetallic Mineral Product Manufacturing327310 | — | ◐ LIKELY ACTIVE |
| CGChance Gas & Oil Llc/connellsville Comp Site | Connellsville, PA | Machinery Manufacturing333318 | — | ◐ LIKELY ACTIVE |
| CGColumbia Gas Ellwood City Comp Sta | Ellwood City, PA | Electrical Equipment, Appliance & Component Manufacturing335210 | — | ◐ LIKELY ACTIVE |
| CIComposidie INC | Apollo, PA | Machinery Manufacturing333514 | — | ◐ LIKELY ACTIVE |
| CMConcast Metal Prod Co/adams Twp | Mars, PA | Primary Metal Manufacturing331525 | — | ◐ LIKELY ACTIVE |
| CGConsolidated Glass Corporation | New Castle, PA | Nonmetallic Mineral Product Manufacturing327211 | 20–99 | ◐ LIKELY ACTIVE |
| CMCoolspring Mining In/coolspring Quarry | Hopwood, PA | Fabricated Metal Product Manufacturing332110 | — | ◐ LIKELY ACTIVE |
| CICp Industry INC | Mckeesport, PA | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |