| 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 |
| NGNeville Galvanizing INC. | Pittsburgh | PA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| 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 |
| BFBrad Foote Gear Works Inc/neville Twp | Pittsburgh | PA | Machinery Manufacturing333998 | — | ◇ UNVERIFIED |
| BPBroudy Printing Inc/pgh | Pittsburgh | PA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| BFBryan Frank, INC. | Pittsburgh | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| COCity of Pittsburgh Asphalt Plant | Pittsburgh | PA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CIClearwater INC. | Pittsburgh | PA | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| CUContraves USA | Pittsburgh | PA | Computer and Electronic Product Manufacturing334513 | — | ◇ UNVERIFIED |
| CLCovestro LLC | Pittsburgh | PA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| CMCowan Metal Finishing CO. | Pittsburgh | PA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| CPCreative Productions | Pittsburgh | PA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| DWDiamond Wire Spring | Pittsburgh | PA | Fabricated Metal Product Manufacturing332611 | — | ◇ UNVERIFIED |
| EEE. E. Zimmerman | Pittsburgh | PA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| EWEvoqua Water Technologies | Pittsburgh | PA | Machinery Manufacturing333318 | — | ◇ UNVERIFIED |
| ECExxon Company USA Pittsburgh Plant | Pittsburgh | PA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| FSFisher Scientific | Pittsburgh | PA | Machinery Manufacturing333314 | — | ◇ UNVERIFIED |
| FSFisher Scientific CO Indiana | Pittsburgh | PA | Computer and Electronic Product Manufacturing334516 | — | ◇ UNVERIFIED |
| FWFolia Water, INC | Pittsburgh | PA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| FIForum, INC. | Pittsburgh | PA | Electrical Equipment, Appliance & Component Manufacturing335132 | — | ◇ UNVERIFIED |
| HIHall Industries INC. | Pittsburgh | PA | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| HIHanlon-gregory Industries | Pittsburgh | PA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| HCHeekin Can Incorporated | Pittsburgh | PA | Fabricated Metal Product Manufacturing332431 | — | ◇ UNVERIFIED |
| IIIdl Incorporated | Pittsburgh | PA | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| ICIron City Brewing Co/pgh Brewery | Pittsburgh | PA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| KMKerotest Manufacturing CORP. | Pittsburgh | PA | Fabricated Metal Product Manufacturing332911 | — | ◇ UNVERIFIED |
| LSLafarge Scully Yard Concrete Plt | Pittsburgh | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| LPLindy Paving - Plant 996 (4200 Neville) | Pittsburgh | PA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| LCLozier Corporation | Pittsburgh | PA | Furniture and Related Product Manufacturing337215 | — | ◇ UNVERIFIED |
| MGMaitri Genetics | Pittsburgh | PA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| MIMatthews Intl Marking Products Division | Pittsburgh | PA | Machinery Manufacturing333249 | — | ◇ UNVERIFIED |
| MIMedrad INC Heilman Center | Pittsburgh | PA | Computer and Electronic Product Manufacturing334513 | — | ◇ UNVERIFIED |
| NTNational Torch Tip, INC. | Pittsburgh | PA | Machinery Manufacturing333518 | — | ◇ UNVERIFIED |
| NTNational Torch Tip INC Weldit Bldg | Pittsburgh | PA | Machinery Manufacturing333992 | — | ◇ UNVERIFIED |
| PEPa Elec Coil Ltd/mfg Mtr Coils & Rep Mtr | Pittsburgh | PA | Computer and Electronic Product Manufacturing334514 | — | ◇ UNVERIFIED |
| PWPerrotte Wood Finishing Co/pgh | Pittsburgh | PA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| PFPittsburgh Flatroll CO | Pittsburgh | PA | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| PNPittsburgh Nipple Works, INC. | Pittsburgh | PA | Fabricated Metal Product Manufacturing332919 | — | ◇ UNVERIFIED |
| PSPruett Schaffer Chem Co/pgh | Pittsburgh | PA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| RFRiverbend Foods, LLC | Pittsburgh | PA | Food Manufacturing311422 | — | ◇ UNVERIFIED |
