| CICaterpillar INC. | Boonville | MO | — | ◇ UNVERIFIED |
| CLCelanese LTD | Calvert City | KY | — | ◇ UNVERIFIED |
| CTCentauri Technologies | Pasadena | TX | — | ◇ UNVERIFIED |
| CIChemence, INC. | Alpharetta | GA | — | ◇ UNVERIFIED |
| CFChem Fleur Division of Firmenich | Newark | NJ | — | ◇ UNVERIFIED |
| CCChemol Company, INC. | Greensboro | NC | — | ◇ UNVERIFIED |
| CCChemtura CORP | Bay Minette | AL | — | ◇ UNVERIFIED |
| CFCherokee Finishing CO Spartan Mills | Gaffney | SC | — | ◇ UNVERIFIED |
 Chevron Phillips Chemical Company LP - Cedar Bayou | Baytown | TX | — | ◇ UNVERIFIED |
| CACoatings & Adhesives CORP | Leland | NC | — | ◇ UNVERIFIED |
| CCCognis Corporation/mauldin, Sc Manufacturing Plant | Mauldin | SC | — | ◇ UNVERIFIED |
| CUCoim USA | Paulsboro | NJ | — | ◇ UNVERIFIED |
| CICommerce Indl Chemicals INC | Milwaukee | WI | — | ◇ UNVERIFIED |
| CCConklin Company INC | Shakopee | MN | — | ◇ UNVERIFIED |
| CRContinental Refining CO LLC | Somerset | KY | — | ◇ UNVERIFIED |
| CFCorteva Freeport Operations | Freeport | TX | — | ◇ UNVERIFIED |
| CACovalence Adhesives | Franklin | KY | — | ◇ UNVERIFIED |
| CHCp Hall Co, the | Stow | OH | — | ◇ UNVERIFIED |
| CICreanova INC | Theodore | AL | — | ◇ UNVERIFIED |
| CICroda, INC. Atlas Point Plant Site | New Castle | DE | — | ◇ UNVERIFIED |
| CBCustom Building Products | Lithia Springs | GA | — | ◇ UNVERIFIED |
| CLCymer LLC | Decatur | TN | — | ◇ UNVERIFIED |
| CICytec Industries | Kalamazoo | MI | — | ◇ UNVERIFIED |
| CSCytec Surface Specialties | Langley | SC | — | ◇ UNVERIFIED |
| DTDanchem Technologies INC | Danville | VA | — | ◇ UNVERIFIED |
| DUDanisco US INC | Cedar Rapids | IA | — | ◇ UNVERIFIED |
 Dayton Superior Specialty Chemical CORP Conspec | Kansas City | KS | — | ◇ UNVERIFIED |
| DIDegussa Initiators INC | Elyria | OH | — | ◇ UNVERIFIED |
| DRDelaware River Plant | Bridgeport | NJ | — | ◇ UNVERIFIED |
| DRDelek Renewables LLC | Cleburne | TX | — | ◇ UNVERIFIED |
| DADexerials America Corporation | Suwanee | GA | — | ◇ UNVERIFIED |
| DIDharmacon, INC. - 2650 Crescent Dr | Lafayette | CO | — | ◇ UNVERIFIED |
| DGDiamond Green Diesel | Port Arthur | TX | — | ◇ UNVERIFIED |
| DCDow Corning CORP Healthcare Inds Materials Site | Hemlock | MI | — | ◇ UNVERIFIED |
 Dow Silicones Corporation | Elizabethtown | KY | — | ◇ UNVERIFIED |
| DCDubois Chemicals Dba Nashville Chemical & Equipment CO. | Nashville | TN | — | ◇ UNVERIFIED |
| DIDynachem INC | Georgetown | IL | — | ◇ UNVERIFIED |
| DUDynea USA INC | Toledo | OH | — | ◇ UNVERIFIED |
| DNDyno Nobel Louisiana Ammonia, LLC | Waggaman | LA | — | ◇ UNVERIFIED |
| EUEagle US 2 LLC - Lake Charles Complex | Westlake | LA | — | ◇ UNVERIFIED |
| EMEconomy Mud Products CO | Houston | TX | — | ◇ UNVERIFIED |
| EIE I Dupont De Nemours - Agricultural Products | Axis | AL | — | ◇ UNVERIFIED |
| ECElan Chemical CO | Newark | NJ | — | ◇ UNVERIFIED |
| ESElementis Specialties INC | Milwaukee | WI | — | ◇ UNVERIFIED |
| EMEmd Millipore CORP | Cincinnati | OH | — | ◇ UNVERIFIED |
| ECEmerald Carolina Chemical, LLC | Charlotte | NC | — | ◇ UNVERIFIED |
| EPEmerald Polymer Additives, LLC | Akron | OH | — | ◇ UNVERIFIED |
| ECEntegris Chester Plant | Chester | PA | — | ◇ UNVERIFIED |
| EEEsstech Essington Fac | Essington | PA | — | ◇ UNVERIFIED |
| ESEster Solutions | Bedford Park | IL | — | ◇ UNVERIFIED |
