| CSCTL Services, LLC | Avondale | PA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| CPCustom Particle Reduction | Plumsteadville | PA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| DIDauberville Investment Properties, LLC. | Dauberville | PA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| DKD K Products | Pittsburgh | PA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| DIDry Ice of Pennsylvania, LLC | Pittsburgh | PA | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| DMDurr Marketing | Turtle Creek | PA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
Eastman Chemical Resins, INC. - Jefferson Site | West Elizabeth | PA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| EAEms Acquisition Corporation | Hatfield | PA | Chemical Manufacturing325620 | — | ◇ UNVERIFIED |
| EBEnvirologic Biobased Technologies, INC. | Philadelphia | PA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| EIEnvirotrol, INC. | Rochester | PA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| EPEpc Powder Manufacturing INC. | North East | PA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| ESE S M INC | Valencia | PA | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| EHEspoma Hegins | Hegins | PA | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| ESEurofins Sf Analytical Laboratories INC | Horsham | PA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| ESExclusive Supplements, INC. | Coraopolis | PA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| FIFairyGene Inc. | Keystone Park (Bristol Township) | PA | Chemical Manufacturing325620 | — | ◇ UNVERIFIED |
| FIFsti, INC. | Jersey Shore | PA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| GCGlobal Chem-Feed Solutions, LLC | Warminster | PA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| GDGreener Days LLC | Audubon | PA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| GFGrowmark Fs, LLC. | Leesport | PA | Chemical Manufacturing325312 | — | ◇ UNVERIFIED |
| HBHayward Business Park | Stroud, Township of | PA | Chemical Manufacturing325620 | — | ◇ UNVERIFIED |
| HSHemp Synergistics LLC | Leetsdale | PA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| HIHocking International Labs LLC | York | PA | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| HFHoneywell Frankford | Philadelphia | PA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| HFHuntington Foam | Coraopolis | PA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| HLHvl LLC | Pittsburgh | PA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| HLHvl, LLC | Pittsburgh | PA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| IIIcp Industrial - Birdsboro | Birdsboro | PA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| ICImpact Colors, INC. | Conshohocken | PA | Chemical Manufacturing325132 | — | ◇ UNVERIFIED |
| ILImpax Laboratories, INC. | Chalfont | PA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| ICIndocarb Corporation | Pittsburgh | PA | Chemical Manufacturing325182 | — | ◇ UNVERIFIED |
| ICInolex Chem Co/phila | Philadelphia | PA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| IPInternational Polymers CORP | Allentown | PA | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| JRJsp Resins, LLC | Wayne | PA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| KMKore Mart LTD | Hamburg | PA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| LPLawrence Powder Coatings, LLC | Hanover | PA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| LFLiquid Fence Company, INC. | Nesquehoning | PA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| LCLtl Color Compounders, INC | Morrisville | PA | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| LOLubrizol Oilfield Chemistry, LLC. | Leetsdale | PA | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| MIMacherey-nagle, INC. | Bethlehem | PA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| MIMach I INC | King of Prussia | PA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| MNMade Natural LLC | Middleburg | PA | Chemical Manufacturing325620 | — | ◇ UNVERIFIED |
| MCMagnum Colors LLC | Venetia | PA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| MPManufacturing / Processing Facility | Easton | PA | Chemical Manufacturing325312 | — | ◇ UNVERIFIED |
| MMMathews Marble Mfg. | Pittsburgh | PA | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| MRMckean Rng Plant | Kane | PA | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| MSMkg Single Family Subdivision | Nazareth | PA | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| MPModern Plastics CORP. | Wilkes Barre | PA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| MLMontgomery Laboratories INC. | Berwick | PA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| MSM & S Recycling, LLC | Bethlehem | PA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |