Spang & CO | Pittsburgh | PA | Computer and Electronic Product Manufacturing334419 | — | ● ACTIVE |
Spreadshirt INC. | Pittsburgh | PA | Printing and Related Support Activities323113 | — | ● ACTIVE |
Ssm Industries, INC. | Pittsburgh | PA | Fabricated Metal Product Manufacturing332322 | — | ● ACTIVE |
| SMStratus Materials INC. | Pittsburgh | PA | Electrical Equipment, Appliance & Component Manufacturing335910 | — | ● ACTIVE |
| SIStresstech INC. | Pittsburgh | PA | Computer and Electronic Product Manufacturing334513 | — | ● ACTIVE |
Super Bakery INC | Pittsburgh | PA | Food Manufacturing311999 | — | ● ACTIVE |
Terra Three Industries, LLC | Pittsburgh | PA | Plastics and Rubber Products Manufacturing326199 | — | ● ACTIVE |
The Mini Pie Box, LLC | Pittsburgh | PA | Food Manufacturing311813 | — | ● ACTIVE |
| TRThree Rivers Optical | Pittsburgh | PA | Miscellaneous Manufacturing339115 | 20-99 | ● ACTIVE |
| UMUber Machining Services LLC | Pittsburgh | PA | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
Union Orthotics & Prosthetics CO. | Pittsburgh | PA | Miscellaneous Manufacturing339113 | — | ● ACTIVE |
| ULUnipack LLC | Pittsburgh | PA | Chemical Manufacturing325412 | — | ● ACTIVE |
United Oil CO | Pittsburgh | PA | Petroleum and Coal Products Manufacturing324191 | — | ● ACTIVE |
| USUnited States Steel Corporation | Pittsburgh | PA | Primary Metal Manufacturing331110 | — | ● ACTIVE |
Vacuum Research CORP | Pittsburgh | PA | Fabricated Metal Product Manufacturing332911 | — | ● ACTIVE |
Westinghouse Air Brake Technologies CORP | Pittsburgh | PA | Transportation Equipment Manufacturing336510 | — | ● ACTIVE |
| ZMZOLL Manufacturing | Pittsburgh | PA | Chemical Manufacturing325412 | 500+ | ● ACTIVE |
| ZSZoll Services LLC | Pittsburgh | PA | Computer and Electronic Product Manufacturing334510 | — | ● ACTIVE |
| ASAshland Specialty Chemical Co.- Neville Island, Pa | Pittsburgh | PA | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| MMetaltech/pgh | Pittsburgh | PA | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| PFProminent Fluid Controls, INC. | Pittsburgh | PA | Machinery Manufacturing333318 | 100-499 | ◐ LIKELY ACTIVE |
| VIVerichem INC | Pittsburgh | PA | Chemical Manufacturing325320 | — | ◐ LIKELY ACTIVE |
Calgon Carbon CORP - Neville Island Plt | Pittsburgh | PA | Chemical Manufacturing325110 | — | ◐ LIKELY ACTIVE |
| MTMcconway & Torley LLC - Steel Castings Mfg Plant | Pittsburgh | PA | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| CCChase CORP Zeta | Pittsburgh | PA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| ITIndustrial Terminal Systems, INC. | Pittsburgh | PA | Petroleum and Coal Products Manufacturing324199 | — | ◇ UNVERIFIED |
| PCPressure Chem Co/pgh | Pittsburgh | PA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
Superior Forge & Steel Corporation (pittsburgh, Pa) | Pittsburgh | PA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| TSThe Sherwin-williams CO | Pittsburgh | PA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
Zestz Nutrition, LLC | Pittsburgh | PA | Food Manufacturing311942 | — | ◐ 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 |
| DMDxtx Medical INC | Pittsburgh | PA | Chemical Manufacturing325411 | — | ◐ LIKELY ACTIVE |
| ESEcho Scientific | Pittsburgh | PA | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| HMHeidelberg Materials Ne Pittsburgh Plt | Pittsburgh | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| LPLindy Paving - Plant 991 (second Ave) | Pittsburgh | PA | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| PPParker Plastics CORP | Pittsburgh | PA | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| PSParma Sausage Products, INC. | Pittsburgh | PA | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| SFSuperior Forge and Steel | Pittsburgh | PA | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| BSBarber Spring Co/pgh | Pittsburgh | PA | Fabricated Metal Product Manufacturing332611 | — | ◐ LIKELY ACTIVE |
| ECExtrel Cms LLC | Pittsburgh | PA | Computer and Electronic Product Manufacturing334513 | — | ◐ LIKELY ACTIVE |
| LCLafarge CORP Duquesne_plant | Pittsburgh | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| MPMetalico Pgh INC | Pittsburgh | PA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| ASAcme Stamping-wire Forming CO. | Pittsburgh | PA | Fabricated Metal Product Manufacturing332119 | — | ◇ UNVERIFIED |
| ASAmerican Steel Processing and Systems CO | Pittsburgh | PA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| BLBake- Line Group LLC | Pittsburgh | PA | Food Manufacturing311821 | — | ◇ UNVERIFIED |
| BUBayer USA INC | Pittsburgh | PA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| BSBearing Service Company | Pittsburgh | PA | Fabricated Metal Product Manufacturing332991 | — | ◇ UNVERIFIED |
| BABeck Arnley Worldparts CORP. | Pittsburgh | PA | Transportation Equipment Manufacturing336000 | — | ◇ UNVERIFIED |
| BEBloom Engineering CO Inc/baldwin | Pittsburgh | PA | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |