| PFPittsburgh Feedmill | Pittsburgh | TX | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| PFPittsburgh Flatroll Company | Pittsburgh | PA | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| PKPittsburgh Kitchenramma, LLC | Pittsburgh | PA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| PIPowertrack INC. | Pittsburgh | PA | Fabricated Metal Product Manufacturing332912 | — | ◇ UNVERIFIED |
| PTPro Towels, INC. | Pittsburgh | PA | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| RIRBF Industries, LLC | Pittsburgh | PA | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| RNReaction Nutrition, L.l.c. | Pittsburgh | PA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| RCRexam Consumer Plastics, INC. | Pittsburgh | PA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| RQRick's Quick Printing, INC. | Pittsburgh | PA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| RSRiver Salvage Company, INC. | Pittsburgh | PA | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| RGRoth Glass CO. | Pittsburgh | PA | Nonmetallic Mineral Product Manufacturing327213 | — | ◇ UNVERIFIED |
| SMSac Manufacturing Company | Pittsburgh | PA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| SSSafety Sling Company, INC. | Pittsburgh | PA | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| SESchindler Elevator Corporation | Pittsburgh | PA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| SESchoolhouse Electric Company | Pittsburgh | PA | Electrical Equipment, Appliance & Component Manufacturing335121 | — | ◇ UNVERIFIED |
| SSSecond Signs, Inc. | Pittsburgh | PA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| SCSettlers Corporate Center Bldg Six | Pittsburgh | PA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| SCSettlers Corporate Center Bldg Three | Pittsburgh | PA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| SQSide Quest Seltzer Company | Pittsburgh | PA | Beverage and Tobacco Product Manufacturing312140 | — | ◇ UNVERIFIED |
| SSSmart Systems Enterprises, Inc. | Pittsburgh | PA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| SHSouth Hills Cement Contracting | Pittsburgh | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SSSovereign Services, INC. | Pittsburgh | PA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| SCSpaid Corporation, INC. | Pittsburgh | PA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
 Spectrum Metal Finishing, INC. | Pittsburgh | PA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| SBStagno's Bakery, INC. | Pittsburgh | PA | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| SCSteel City Cakes LLC | Pittsburgh | PA | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| SCSteel City Glass, INC. | Pittsburgh | PA | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| SMStudebaker Metals LLC | Pittsburgh | PA | Miscellaneous Manufacturing339910 | — | ◇ UNVERIFIED |
| SSudoc | Pittsburgh | PA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| SSSunoco Service Station-n. Highland Ave | Pittsburgh | PA | Miscellaneous Manufacturing339991 | — | ◇ UNVERIFIED |
| SPSurgical Product Solutions LLC | Pittsburgh | PA | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| SSSwedish Steel | Pittsburgh | PA | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| TFTeledyne Flir | Pittsburgh | PA | Computer and Electronic Product Manufacturing334516 | — | ◇ UNVERIFIED |
| TITelephonix INC. | Pittsburgh | PA | Computer and Electronic Product Manufacturing334210 | — | ◇ UNVERIFIED |
| TNThe Neon Doctor, LLC. | Pittsburgh | PA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| TWThe Window Factory | Pittsburgh | PA | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| TLTmi, LLC | Pittsburgh | PA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| TBTogether Better LLC | Pittsburgh | PA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| TSTortured Souls Brewing, LLC | Pittsburgh | PA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| TBTristate Blue Printing INC | Pittsburgh | PA | Printing and Related Support Activities323114 | — | ◇ UNVERIFIED |
| TGTroy Granite | Pittsburgh | PA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| TMTrufood Mfg | Pittsburgh | PA | Food Manufacturing311320 | — | ◇ UNVERIFIED |
| TTrufoodmfg | Pittsburgh | PA | Food Manufacturing311320 | — | ◇ UNVERIFIED |
| USUnited States Products CO. | Pittsburgh | PA | Nonmetallic Mineral Product Manufacturing327910 | — | ◇ UNVERIFIED |
| VGValex Group LLC | Pittsburgh | PA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| VPValley Protein Site | Pittsburgh | PA | Food Manufacturing311613 | — | ◇ UNVERIFIED |
| VCValspar Corporation | Pittsburgh | PA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| VGVernon Gold & Silver Company | Pittsburgh | PA | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| VTVictor Thomas | Pittsburgh | PA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| WLWashington's Landing Marina | Pittsburgh | PA | Transportation Equipment Manufacturing336312 | — | ◇ UNVERIFIED |
