| ASAcme Stamping-wire Forming CO. | Pittsburgh | PA | Fabricated Metal Product Manufacturing332119 | 1-19 | ◇ UNVERIFIED |
| NGNeville Galvanizing INC. | Pittsburgh | PA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| ASAmerican Steel Processing and Systems CO | Pittsburgh | PA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CMCowan Metal Finishing CO. | Pittsburgh | PA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| HCHeekin Can Incorporated | Pittsburgh | PA | Fabricated Metal Product Manufacturing332431 | — | ◇ UNVERIFIED |
| TEThermo Electron | Pittsburgh | PA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| AMAcme Metals | Pittsburgh | PA | Fabricated Metal Product Manufacturing332312 | 1-19 | ◇ UNVERIFIED |
| ECEnergy Control Systems, INC. | Pittsburgh | PA | Fabricated Metal Product Manufacturing332312 | 20-99 | ◇ UNVERIFIED |
| FSForrest Steel | Pittsburgh | PA | Fabricated Metal Product Manufacturing332312 | 1-19 | ◇ UNVERIFIED |
| FMFrank Mance Plating, LLC | Pittsburgh | PA | Fabricated Metal Product Manufacturing332813 | 1-19 | ◇ UNVERIFIED |
| MMMatt Machine & Manufacturing, INC. | Pittsburgh | PA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◇ UNVERIFIED |
| SMSac Manufacturing Company | Pittsburgh | PA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◇ UNVERIFIED |
| WSWelded Sheet Metal Manufacturing, LLC | Pittsburgh | PA | Fabricated Metal Product Manufacturing332322 | 1-19 | ◇ UNVERIFIED |
| ALAbt, LLC | Pittsburgh | PA | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| AAAll American Grating, INC. | Pittsburgh | PA | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| AMAllegheny Metal Finishing | Pittsburgh | PA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| FCFrank's Custom Stainless | Pittsburgh | PA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| HSHinkel-hofmann Supply Company | Pittsburgh | PA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| LELee Evans INC. | Pittsburgh | PA | Fabricated Metal Product Manufacturing332119 | — | ◇ UNVERIFIED |
| LCLub Co | Pittsburgh | PA | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| MMMelfred Manufacturing Company, INC. | Pittsburgh | PA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| MRMontgomery Roessing Company | Pittsburgh | PA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| PMPitt-des Moines, INC. | Pittsburgh | PA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| PIPowertrack INC. | Pittsburgh | PA | Fabricated Metal Product Manufacturing332912 | — | ◇ UNVERIFIED |
| SSSafety Sling Company, INC. | Pittsburgh | PA | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| SCSpaid Corporation, INC. | Pittsburgh | PA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
Spectrum Metal Finishing, INC. | Pittsburgh | PA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| ZGZia-tech Gear Manufacturing INC. | Pittsburgh | PA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| ZSZottola Steel Corporation | Pittsburgh | PA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |