| CTChem Tech Labs INC a Subs Ma | Lynwood | CA | — | ◇ UNVERIFIED |
| CNChemtec North America LLC | Coral Springs | FL | — | ◇ UNVERIFIED |
| CSChemtrade Solutions LLC | Catawba | SC | — | ◇ UNVERIFIED |
| CAChemtreat at Terminal Warehouse | Akron | OH | — | ◇ UNVERIFIED |
| CLChem-trend LP | San Bernardino | CA | — | ◇ UNVERIFIED |
| CChemtura | Naugatuck | CT | — | ◇ UNVERIFIED |
| CCChemtura CORP - Gonzales H M & Bailey Property Aka Spedale Landfill | Gonzales | LA | — | ◇ UNVERIFIED |
| CCChemtura Corporation | Memphis | TN | — | ◇ UNVERIFIED |
| CCChemtura Corporation Dba Hatco | Fords | NJ | — | ◇ UNVERIFIED |
| CCChesapeake Custom Chemical INC | Ridgeway | VA | — | ◇ UNVERIFIED |
| COChevron Oil Shale | Debeque | CO | — | ◇ UNVERIFIED |
| CRCheyenne Renewable Diesel Company | Laramie | WY | — | ◇ UNVERIFIED |
| CHC & H Molding | Mira Loma | CA | — | ◇ UNVERIFIED |
| CBChocolate Bayou Plant | Alvin | TX | — | ◇ UNVERIFIED |
| CLChristen & Laudon- Aep Fgd Project | Tiltonsville | OH | — | ◇ UNVERIFIED |
| CGCiba Geigy Plant - 205 South James St, Newport | Newport | DE | — | ◇ UNVERIFIED |
| CSCiba Specialty Chemicals CORP | Los Angeles | CA | — | ◇ UNVERIFIED |
| CSCindys Signature Clnr & Tailors/abington | Roslyn | PA | — | ◇ UNVERIFIED |
| CHCirculus Holdings Pbllc | Riverbank | CA | — | ◇ UNVERIFIED |
| CECirrus Enterprises Dba E.v. Roberts | Culver City | CA | — | ◇ UNVERIFIED |
| CMCirtec Medical CORP | Sturtevant | WI | — | ◇ UNVERIFIED |
| CWCisper Welding, INC. | Wynnewood | OK | — | ◇ UNVERIFIED |
| CPCitadel Plastics | Perrysburg | OH | — | ◇ UNVERIFIED |
| COCity of Hope Radiation Oncology LLC. | San Bernardino | CA | — | ◇ UNVERIFIED |
| CJC J Fiberglass CO | Long Beach | CA | — | ◇ UNVERIFIED |
| CJC J Osborn Company | Pennsauken | NJ | — | ◇ UNVERIFIED |
| CMCk Materials INC | Racine | WI | — | ◇ UNVERIFIED |
| CRClarence Resins and Chemicals | Williamsville | NY | — | ◇ UNVERIFIED |
| CCClariant Corporation | Albion | MI | — | ◇ UNVERIFIED |
| CClariant:martin | Martin | SC | — | ◇ UNVERIFIED |
| COClariant of Maine | Lewiston | ME | — | ◇ UNVERIFIED |
| CFClark Foam Prod Gordon Clark | Laguna Niguel | CA | — | ◇ UNVERIFIED |
| CCClean Cut Technologies LLC | Anaheim | CA | — | ◇ UNVERIFIED |
| CFClean Fuel Lakeland, LLC | Lakeland | FL | — | ◇ UNVERIFIED |
| CWClean Water Opportunities, INC. | Baton Rouge | LA | — | ◇ UNVERIFIED |
| CLClear Lake | Pasadena | TX | — | ◇ UNVERIFIED |
| CLClear Lake Plant | Pasadena | TX | — | ◇ UNVERIFIED |
| CClearplex | Sandy | UT | — | ◇ UNVERIFIED |
| CTClose the Loop INC | Hebron | KY | — | ◇ UNVERIFIED |
| CPClover Plastics LLC | West Chicago | IL | — | ◇ UNVERIFIED |
| CICMC Industrial Services LLC | Concord | NC | — | ◇ UNVERIFIED |
| CPCmc Printed Bag INC | Whittier | CA | — | ◇ UNVERIFIED |
| CECmi Enterprises | Forest City | NC | — | ◇ UNVERIFIED |
| CBCoastal Bend Staffing, LLC | Lolita | TX | — | ◇ UNVERIFIED |
| CPCoastal Plastics INC | Hope Valley | RI | — | ◇ UNVERIFIED |
| CCCoast Converters INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| CUCoim Usa, INC | Paulsboro | NJ | — | ◇ UNVERIFIED |
| CTCold Trap LLC | Coleman | OK | — | ◇ UNVERIFIED |
| CCColorado Chemical Specialties Incorporated | Golden | CO | — | ◇ UNVERIFIED |
| CRColorado Rubber and Supply | Denver | CO | — | ◇ UNVERIFIED |
| CSColorite Specialty Resins | Burlington Township | NJ | — | ◇ UNVERIFIED |
| CCColridge Company INC | Delray Beach | FL | — | ◇ UNVERIFIED |
| CPColumbine Plastic CORP | Boulder | CO | — | ◇ UNVERIFIED |
| CCComplementary Coatings CORP | Edgewater | FL | — | ◇ UNVERIFIED |
| CCComplete Corrosion Solutions Inc. | La Porte | TX | — | ◇ UNVERIFIED |
| CCComplex Chemicals CO INC | Tallulah | LA | — | ◇ UNVERIFIED |
| CComposecure | Somerset | NJ | — | ◇ UNVERIFIED |
| CPComposite Plastic Systems INC | Santa Maria | CA | — | ◇ UNVERIFIED |
| CPComposite Product Division Freeport | Freeport | TX | — | ◇ UNVERIFIED |
| CSComposite Solutions CORP Sumner | Sumner | WA | — | ◇ UNVERIFIED |
| CSComposite Systems, LLC | Midland | TX | — | ◇ UNVERIFIED |
| CFConcept Fiberglass | Grand Island | NE | — | ◇ UNVERIFIED |
| CSConcise Separations | San Jose | CA | — | ◇ UNVERIFIED |
| CPConductive Plastics Consultants | Media | PA | — | ◇ UNVERIFIED |
| CCCongoleum CORP | Trenton | NJ | — | ◇ UNVERIFIED |
| CPConju Probe LLC | San Diego | CA | — | ◇ UNVERIFIED |
| CLConju-probe LLC | San Diego | CA | — | ◇ UNVERIFIED |
| CSConnor Sport Court International, LLC | Salt Lake City | UT | — | ◇ UNVERIFIED |
| CCConsolidated Color | Peabody | MA | — | ◇ UNVERIFIED |
 Contemporary Design Plastics | Arlington | TX | — | ◇ UNVERIFIED |
| CSContinental Structural Plastics | Carey | OH | — | ◇ UNVERIFIED |
| CCCook Composites and Polymers CO. | N. Kansas City | MO | — | ◇ UNVERIFIED |
| CCCook Composites & Polymers CO. | Oxnard | CA | — | ◇ UNVERIFIED |
| CPCook Paint and Varnish Company | Houston | TX | — | ◇ UNVERIFIED |
| CPCook Polymer Technologies Canton | Canton | IL | — | ◇ UNVERIFIED |
| CPCookson Performance Plastics | Worcester | MA | — | ◇ UNVERIFIED |
| CSCool Seal Usa, LLC | Perrysburg | OH | — | ◇ UNVERIFIED |
| CECooper Electronic Technologies | Dublin | CA | — | ◇ UNVERIFIED |
| CNCooper Natural Resources | Loop | TX | — | ◇ UNVERIFIED |
 Cope Plastics, INC. | Genoa City | WI | — | ◇ UNVERIFIED |
| CCCore Composites Cincinnati, LLC (1413020248) | Batavia | OH | — | ◇ UNVERIFIED |
| CCCorpus Christi Polymer Plant | Corpus Christi | TX | — | ◇ UNVERIFIED |
| CBCorrib Biofuels Holdings | Elizabeth | NJ | — | ◇ UNVERIFIED |
| CMCorsair Marine INC | Chula Vista | CA | — | ◇ UNVERIFIED |
| CFCorteva Freeport Operations | Freeport | TX | — | ◇ UNVERIFIED |
| CMCosta Mesa Fuel INC. | Costa Mesa | CA | — | ◇ UNVERIFIED |
| CFCountry Fresh Clnr/montgomery Twp | Montgomeryville | PA | — | ◇ UNVERIFIED |
| CPCountry Plastics INC | Woodlake | CA | — | ◇ UNVERIFIED |
| CPCovalence Plastics | Elizabeth | NJ | — | ◇ UNVERIFIED |
| CICovermaster, INC. | Elkhart | IN | — | ◇ UNVERIFIED |
| CCovestro | Augusta | GA | — | ◇ UNVERIFIED |
| CCCovestro Coating Resins INC | Wilmington | MA | — | ◇ UNVERIFIED |
| CLCovestro LLC | Pittsburgh | PA | — | ◇ UNVERIFIED |
| CLCovestro LLC | Baytown | TX | — | ◇ UNVERIFIED |
| CLCovestro LLC | Proctor | WV | — | ◇ UNVERIFIED |
| CLCovestro LLC | Deerfield | MA | — | ◇ UNVERIFIED |
| CCovia | Cutler | IL | — | ◇ UNVERIFIED |
| CICpg International LLC | Wilmington | OH | — | ◇ UNVERIFIED |
| CICpg Intl | Moosic | PA | — | ◇ UNVERIFIED |
| CHCp Hall CO | Bedford Park | IL | — | ◇ UNVERIFIED |
