| FBFrontida Biopharm, INC | Philadelphia | PA | Chemical Manufacturing325411 | 100-499 | ● ACTIVE |
| MPMedical Products Laboratories, INC. | Philadelphia | PA | Chemical Manufacturing325412 | 100-499 | ● ACTIVE |
National Chemical Laboratories of Pa INC | Philadelphia | PA | Chemical Manufacturing325611 | 20-99 | ● ACTIVE |
Abbey Color INC | Philadelphia | PA | Paper Manufacturing322299 | — | ● ACTIVE |
Fluoro-plastics INC | Philadelphia | PA | Chemical Manufacturing325211 | — | ● ACTIVE |
International Chemical Company | Philadelphia | PA | Chemical Manufacturing325110 | — | ● ACTIVE |
| STSpark Therapeutics, INC. | Philadelphia | PA | Chemical Manufacturing325412 | — | ● ACTIVE |
Src Elastomerics, INC. | Philadelphia | PA | Chemical Manufacturing325212 | 100-499 | ● ACTIVE |
Amicus Therapeutics Us, LLC | Philadelphia | PA | Chemical Manufacturing325412 | — | ● ACTIVE |
Beara LLC | Philadelphia | PA | Chemical Manufacturing325620 | — | ● ACTIVE |
Bennett Compost INC | Philadelphia | PA | Chemical Manufacturing325315 | — | ● ACTIVE |
Braskem America, INC | Philadelphia | PA | Chemical Manufacturing325211 | — | ● ACTIVE |
Cleu Diagnostics LLC | Philadelphia | PA | Chemical Manufacturing325413 | — | ● ACTIVE |
Green Chem Laboratories LLC | Philadelphia | PA | Chemical Manufacturing325611 | — | ● ACTIVE |
| IBIovance Biotherapeutics Manufacturing LLC | Philadelphia | PA | Chemical Manufacturing325412 | 500+ | ● ACTIVE |
Mxene INC | Philadelphia | PA | Chemical Manufacturing325180 | — | ● ACTIVE |
Par Automation Solutions, LLC | Philadelphia | PA | Chemical Manufacturing325612 | — | ● ACTIVE |
| PUPolyrheo USA INC | Philadelphia | PA | Chemical Manufacturing325199 | — | ● ACTIVE |
Redox Diagnostics, INC | Philadelphia | PA | Chemical Manufacturing325413 | — | ● ACTIVE |
| AIAdvansix INC | Philadelphia | PA | Chemical Manufacturing325110 | — | ◐ LIKELY ACTIVE |
| ARAvid Radiopharmaceuticals | Philadelphia | PA | Chemical Manufacturing325412 | 20-99 | ◐ LIKELY ACTIVE |
| ICIneos Composites Us/phila | Philadelphia | PA | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| PLPurolite LLC an Ecolab CO | Philadelphia | PA | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| SCSun Chem Corp/hunting Park Plt | Philadelphia | PA | Chemical Manufacturing325910 | — | ◐ LIKELY ACTIVE |
| ALArdex Laboratories INC | Philadelphia | PA | Chemical Manufacturing325612 | — | ◐ LIKELY ACTIVE |
| CIChemson INC | Philadelphia | PA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
Encyclomedia INC | Philadelphia | PA | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| HMHarry Miller CORP | Philadelphia | PA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| DMDupont Marshall Lab | Philadelphia | PA | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| FCFmc Corporation | Philadelphia | PA | Chemical Manufacturing325180 | — | ◐ LIKELY ACTIVE |
| FBFrontida BioPharm LLC. - Dungan | Philadelphia | PA | Chemical Manufacturing325411 | 20-99 | ◐ LIKELY ACTIVE |
| MVMedimmune Vaccines INC | Philadelphia | PA | Chemical Manufacturing325414 | — | ◐ LIKELY ACTIVE |
| AAdvansix | Philadelphia | PA | Chemical Manufacturing325110 | — | ◐ LIKELY ACTIVE |
| RHRohm & Haas Company | Philadelphia | PA | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| UCUnited Color Manufacturing INC | Philadelphia | PA | Chemical Manufacturing325132 | — | ◐ LIKELY ACTIVE |
| ATAdvanced Therapies, LLC | Philadelphia | PA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| AIAnzon INC | Philadelphia | PA | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| CICalbar INC. | Philadelphia | PA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| CICantol INC | Philadelphia | PA | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| CIChemson INC | Philadelphia | PA | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| COCpa Operations, LLC D/b/a/ Lensco | Philadelphia | PA | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| DCDickler Chemical Labs | Philadelphia | PA | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
Eastman Chemical Company | Philadelphia | PA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| EPEmd Performance Materials CORP. | Philadelphia | PA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| FCFmc CORP Agriproducts Group | Philadelphia | PA | Chemical Manufacturing325181 | — | ◇ UNVERIFIED |
| GCGryphin CO | Philadelphia | PA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| HCHbc Chemical INC. | Philadelphia | PA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| ICInolex Chemical CO | Philadelphia | PA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| IIInolex INC | Philadelphia | PA | Chemical Manufacturing325192 | — | ◇ UNVERIFIED |
| JDJws Delavau CO | Philadelphia | PA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |