| BPBerkley Prods CO | Akron | PA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| BJB & J Group Inc/morrisville | Morrisville | PA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| BIBostik INC | Huntingdon Valley | PA | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| BPBradley Paint CO | Connellsville | PA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| BCBulk Chemical INC | Mohrsville | PA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| BCBulk Chemicals INC | Hamburg | PA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| BCBulk Chemicals, INC. | Blandon | PA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| BCBulk Chemicals, INC. | Shoemakersville | PA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| CICantol INC | Philadelphia | PA | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| CCCapen Careful Clnrs | Harrisburg | PA | Chemical Manufacturing325310 | — | ◇ UNVERIFIED |
| CICargill, INC. - Salt Division | Mckees Rocks | PA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| CCCarlisle Construction Materials | Carlisle | PA | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| CRCastle Rubber Mfg | East Butler | PA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| CCCayman Chemical CO | State College | PA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| CDCei - Douglassville INC | Douglassville | PA | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| CCCeramic Color & Chem Mfg CO Plt | New Brighton | PA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| CPChemstation Philadelphia | Phillipsburg | PA | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| CIChemstream INC | Stoystown | PA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| CSCindys Signature Clnr & Tailors/abington | Roslyn | PA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| CCClariant CORP Kion Facility | Huntingdon Valley | PA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| CIClearwater INC. | Pittsburgh | PA | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| CTCoates Toners/dallas | Dallas | PA | Chemical Manufacturing325194 | — | ◇ UNVERIFIED |
| CCColonial Clnr/norristown Boro | Norristown | PA | Chemical Manufacturing325100 | — | ◇ UNVERIFIED |
| CIComptec Inc/comptec Insulator Plt | Irwin | PA | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| CCContinental Carbonic Products Inc.-clearfield | Clearfield | PA | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| CCCorixa CORP. Dba Glaxosmithkline Biologicals NA Wwtp | Marietta | PA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| CFCountry Fresh Clnr/montgomery Twp | Montgomeryville | PA | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| COCpa Operations, LLC D/b/a/ Lensco | Philadelphia | PA | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| CACrazy Aaron Enterprises/east Pikeland | Phoenixville | PA | Chemical Manufacturing325212 | — | ◇ UNVERIFIED |
| CTCreighton Term | Creighton | PA | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| CLCresco Labs Brookville | Brookville | PA | Chemical Manufacturing325311 | — | ◇ UNVERIFIED |
| CPCtr Point Clnr | Worcester | PA | Chemical Manufacturing325131 | — | ◇ UNVERIFIED |
| CCCurtis/glenchem CORP. | Eddystone | PA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| DSDerby Supply Chain Solutions | Allentown | PA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| DCDow Chem Plp | Royersford | PA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| DUDreumex USA | York | PA | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| DUDreumex USA INC | York | PA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| DLDrs Laboratories, INC | Allentown | PA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| DADwmp Assoc Llc/hazleton | Hazleton | PA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| EIEarthworx, INC. | Brookville | PA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| EEE. E. Zimmerman | Pittsburgh | PA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| EPEmd Performance Materials CORP. | Philadelphia | PA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| ELEstee Lauder Returns Center C/o Fedex Supply Chain | Lemoyne | PA | Chemical Manufacturing325620 | — | ◇ UNVERIFIED |
| ESEvergreen Synergies | King of Prussia | PA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| FCFed Carbide/bald Eagle Plt | Tyrone | PA | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| FCFerro Color & Glass Corp/washington | Washington | PA | Chemical Manufacturing325130 | — | ◇ UNVERIFIED |
| FGFerro Glass & Color CORP | Washington | PA | Chemical Manufacturing325130 | — | ◇ UNVERIFIED |
| FSFisher Scientific Co/indiana Plt | Indiana | PA | Chemical Manufacturing325193 | — | ◇ UNVERIFIED |
| FTFisher & Thompson, INC. | Leola | PA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| FGFlint Group | Lionville | PA | Chemical Manufacturing325910 | — | ◇ UNVERIFIED |
