| FGFlint Group | Lionville | PA | Chemical Manufacturing325910 | — | ◇ UNVERIFIED |
| FGFlint Group North America | Exton | PA | Chemical Manufacturing325910 | — | ◇ UNVERIFIED |
| FIFlint Ink CORP | West Hazleton | PA | Chemical Manufacturing325910 | — | ◇ UNVERIFIED |
| FCFmc CORP Agriproducts Group | Philadelphia | PA | Chemical Manufacturing325181 | — | ◇ UNVERIFIED |
| FWFolia Water, INC | Pittsburgh | PA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| FIFoseco INC Mount Braddock Facility | Mount Braddock | PA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| FTFuzion Tech/freeport Brick Div | Freeport | PA | Chemical Manufacturing325194 | — | ◇ UNVERIFIED |
| GBGe Betz INC Langhorne Plt | Langhorne | PA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| GCGlidden CO (dba Ici Paints) | Reading | PA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| GFGrowmark Fs, LLC | Lewistown | PA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| GFGrowmark Fs, LLC. | Bellefonte | PA | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| GTG & T Industries INC. | Lancaster | PA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| HPHaley Paint/conshohocken | Conshohocken | PA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| HCHbc Chemical INC. | Philadelphia | PA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| HPHercon Pharm Llc/emigsville | Emigsville | PA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| HLHimedia Laboratories LLC | Lincoln University | PA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| HWHoly Water Solutions, LLC D/b/a Zero Hazard | Lewisberry | PA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| HIHoneywell Intl / Delaware Plt | Marcus Hook | PA | Chemical Manufacturing325130 | — | ◇ UNVERIFIED |
| HPHuntsman Pigments Americas LLC | Easton | PA | Chemical Manufacturing325130 | — | ◇ UNVERIFIED |
| HDHydro Dynamics | Shillington | PA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| IIcmi | Connellsville | PA | Chemical Manufacturing325130 | — | ◇ UNVERIFIED |
| ICIndependent Chemical CORP | Pittston | PA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| ITInhance Technologies LLC | Allentown | PA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| ICInolex Chemical CO | Philadelphia | PA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| I1Iris 1 Hr Clnr Svc | Southampton | PA | Chemical Manufacturing325190 | — | ◇ UNVERIFIED |
| ILIsosciences LLC | King of Prussia | PA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| JBJanssen Biotech INC | Malvern | PA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| JBJ & B Blending Technologies | Mckees Rock | PA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| JCJc Cleaners | Gettysburg | PA | Chemical Manufacturing325600 | — | ◇ UNVERIFIED |
| JJJet Jack INC | Carnegie | PA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| JMJohnson Matthey INC | Conshohocken | PA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| KFKidde Fire Fighting INC | West Chester | PA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| KMKinder Morgan Arrow Terminal | Industry | PA | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| KFKoch's Farm Svc INC | Tamaqua | PA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| LCLannett CO | Philadelphia | PA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| LCLannett CO | Philadelphia | PA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| LMLawrence Mcfadden CO. | Philadelphia | PA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| LALehigh Agricultural and Biological Services INC. | Hamburg | PA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| LILincoln Industrial Chemical CO | Reading | PA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| LLLinde LLC | Bethlehem | PA | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| LLLinde Llc/butler Plt | Butler | PA | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| LFLiquid Fence CO | Mount Pocono | PA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| LELnp Engineering Plastics | Thorndale | PA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| MAM a Bruder & Sons | Philadelphia | PA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| MGMaitri Genetics | Pittsburgh | PA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| MFMars Fishcare INC | Chalfont | PA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| MBMaster Builders Solutions US LLC | Allentown | PA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| MTMatheson Tri Gas Saint Marys | Saint Marys | PA | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| MIMatthews Intl Marking Products Division | Blawnox | PA | Chemical Manufacturing325910 | — | ◇ UNVERIFIED |
| MRMckees Rocks Transfer Station | Mckees Rocks | PA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
