| RDRr Donnelley Hoechstetter Plant | Pittsburgh | PA | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| SMSchaffner Mfg CO INC | Pittsburgh | PA | Nonmetallic Mineral Product Manufacturing327910 | — | ◇ UNVERIFIED |
| TCThe Carnegie-miller Building | Pittsburgh | PA | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| TEThermo Electron | Pittsburgh | PA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| TPTypecraft Press INC. | Pittsburgh | PA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| USUpmc St Margaret Hosp/pgh | Pittsburgh | PA | Machinery Manufacturing333912 | — | ◇ UNVERIFIED |
| VFVitro Flat Glass, LLC / Glass Business & Discovery Center | Pittsburgh | PA | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| WEWestinghouse Elec CORP Esd Lab | Pittsburgh | PA | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| WEWestinghouse Electric Corporation, Pcd | Pittsburgh | PA | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| 9D908 Devices INC | Pittsburgh | PA | Computer and Electronic Product Manufacturing334516 | — | ◇ UNVERIFIED |
| ALAbt, LLC | Pittsburgh | PA | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| ASAccel Sign Group | Pittsburgh | PA | Electrical Equipment, Appliance & Component Manufacturing335122 | — | ◇ UNVERIFIED |
| AAAdvertisers Associates, INC. | Pittsburgh | PA | Printing and Related Support Activities323119 | — | ◇ UNVERIFIED |
| AUAirgas Usa, LLC. | Pittsburgh | PA | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| AAAll American Grating, INC. | Pittsburgh | PA | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| ACAllegheny City Brewing LLC | Pittsburgh | PA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| ADAllegheny Distilling, LLC | Pittsburgh | PA | Beverage and Tobacco Product Manufacturing312140 | — | ◇ UNVERIFIED |
| ADAllegheny Distilling, LLC | Pittsburgh | PA | Beverage and Tobacco Product Manufacturing312140 | — | ◇ UNVERIFIED |
| AFAllegheny Foundry | Pittsburgh | PA | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| AMAllegheny Metal Finishing | Pittsburgh | PA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| ASAllegheny Steel Products CO. | Pittsburgh | PA | Primary Metal Manufacturing331419 | — | ◇ UNVERIFIED |
| AGAllen Gauge & Tool Company | Pittsburgh | PA | Computer and Electronic Product Manufacturing334513 | — | ◇ UNVERIFIED |
| AHAlley Holdings LLC | Pittsburgh | PA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| AZAmerican Zinc Recycling LLC | Pittsburgh | PA | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| AVAPG Vision LLC | Pittsburgh | PA | Electrical Equipment, Appliance & Component Manufacturing335122 | — | ◇ UNVERIFIED |
| APA P, Rhodes LLC | Pittsburgh | PA | Nonmetallic Mineral Product Manufacturing327112 | — | ◇ UNVERIFIED |
| AEAquion Energy | Pittsburgh | PA | Electrical Equipment, Appliance & Component Manufacturing335911 | — | ◇ UNVERIFIED |
| ALArcworx, LLC | Pittsburgh | PA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| ACArrow Concrete Company | Pittsburgh | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| APAtalanti Polymer, Inc. | Pittsburgh | PA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| ADAtelier de Fer, LLC | Pittsburgh | PA | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| BABel Air Food, INC. | Pittsburgh | PA | Food Manufacturing311991 | — | ◇ UNVERIFIED |
| BABetsy Ann Candies, INC. | Pittsburgh | PA | Food Manufacturing311352 | — | ◇ UNVERIFIED |
| BBBlazer Brand LLC | Pittsburgh | PA | Miscellaneous Manufacturing339991 | — | ◇ UNVERIFIED |
| BCBl Cream Company | Pittsburgh | PA | Food Manufacturing311511 | — | ◇ UNVERIFIED |
| BLB & L Manufacturing CO. | Pittsburgh | PA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| BTBombardier Transportation (holdings) USA INC. | Pittsburgh | PA | Transportation Equipment Manufacturing336510 | — | ◇ UNVERIFIED |
| BLBossycakes, LLC | Pittsburgh | PA | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| BCBrentanos Concrete Connection, INC. | Pittsburgh | PA | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| BCBridge City Builders LLC | Pittsburgh | PA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
 Calgon Carbon CORP R&d | Pittsburgh | PA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| CCCarcolory Corporation | Pittsburgh | PA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| CBCarlini Brothers CO. | Pittsburgh | PA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| CICarnot Industries, LLC | Pittsburgh | PA | Machinery Manufacturing333991 | — | ◇ UNVERIFIED |
| CECasper Ectoplasm LLC | Pittsburgh | PA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CBCellone Bakery, INC. | Pittsburgh | PA | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| CLCepc, LLC | Pittsburgh | PA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CCChemimage Corporation | Pittsburgh | PA | Computer and Electronic Product Manufacturing334516 | — | ◇ UNVERIFIED |
| CSClockwise Shadyside LLC | Pittsburgh | PA | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| CCCopies @ Carson, Inc. | Pittsburgh | PA | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
