| CCCarolina Casting INC | High Point | NC | — | ◇ UNVERIFIED |
| CCCayman Chemical CO | State College | PA | — | ◇ UNVERIFIED |
| CPCci Port Nickel LLC - Port Nickel | Braithwaite | LA | — | ◇ UNVERIFIED |
| CCCcp Composites US LLC Centralia | Centralia | WA | — | ◇ UNVERIFIED |
| CSCdr Systems CORP | Waynoka | OK | — | ◇ UNVERIFIED |
| CSCdr Systems Corporation | Jacksonville | FL | — | ◇ UNVERIFIED |
| CACelanese Acetate LLC | Charlotte | NC | — | ◇ UNVERIFIED |
| CACelanese Acetate LLC Celriver Plant | Rock Hill | SC | — | ◇ UNVERIFIED |
| CLCelanese Limited | Corpus Christi | TX | — | ◇ UNVERIFIED |
| CLCelanese LTD | Pampa | TX | — | ◇ UNVERIFIED |
| CLCelanese Ltd-meredosia Facility | Meredosia | IL | — | ◇ UNVERIFIED |
| CJCf Jameson | Haverhill | MA | — | ◇ UNVERIFIED |
| CGChannel Greenhunter Biorefinery and Terminals | Houston | TX | — | ◇ UNVERIFIED |
| CBChata Biosystems LLC a Part of Boval CO LP | Loveland | CO | — | ◇ UNVERIFIED |
| CGChattanooga General Services CO. | Chattanooga | TN | — | ◇ UNVERIFIED |
| CUChemetall Us, INC. | Romulus | MI | — | ◇ UNVERIFIED |
| CPChemical Process and Production | Santa Fe | TX | — | ◇ UNVERIFIED |
| CSChemical Specialists & Development INC | Baton Rouge | LA | — | ◇ UNVERIFIED |
| CCChemline Ca INC | Compton | CA | — | ◇ UNVERIFIED |
| CRChemoil Refining CORP | Signal Hill | CA | — | ◇ UNVERIFIED |
| CCChemtura CORP - Gonzales H M & Bailey Property Aka Spedale Landfill | Gonzales | LA | — | ◇ UNVERIFIED |
| CPChevron Phillips Chemical Puerto Rico Core LLC | Guayama | PR | — | ◇ UNVERIFIED |
| CUChevron USA INC Cincinnati Refinery | Hooven | OH | — | ◇ UNVERIFIED |
| CQChicagoland Quad Cities Express, INC. - Bridgeview | Bridgeview | IL | — | ◇ UNVERIFIED |
| CLChristen & Laudon- Aep Fgd Project | Tiltonsville | OH | — | ◇ UNVERIFIED |
| CGCiba Geigy Plant - 205 South James St, Newport | Newport | DE | — | ◇ UNVERIFIED |
| CSCindys Signature Clnr & Tailors/abington | Roslyn | PA | — | ◇ UNVERIFIED |
| CMCirtec Medical CORP | Sturtevant | WI | — | ◇ UNVERIFIED |
| CJC J Osborn Company | Pennsauken | NJ | — | ◇ UNVERIFIED |
| CECk Enterprises | Lees Summit | MO | — | ◇ UNVERIFIED |
| CFClean Fuel Lakeland, LLC | Lakeland | FL | — | ◇ UNVERIFIED |
| COClearwater of Le Firm Part 2, LLC | Lake Charles | LA | — | ◇ UNVERIFIED |
| CUClemson Univ Lab for Nanotechnology | Pendleton | SC | — | ◇ UNVERIFIED |
| CHClestra Hauserman INC. Div. of Steelcase | Solon | OH | — | ◇ UNVERIFIED |
| CTClose the Loop INC | Hebron | KY | — | ◇ UNVERIFIED |
| CECmi Enterprises | Forest City | NC | — | ◇ UNVERIFIED |
| CPCoastal Plastics INC | Hope Valley | RI | — | ◇ UNVERIFIED |
| CRCoastal Refining CORP | Savannah | GA | — | ◇ UNVERIFIED |
| CUCoim Usa, INC | Paulsboro | NJ | — | ◇ UNVERIFIED |
| CCColorado Chemical Specialties Incorporated | Golden | CO | — | ◇ UNVERIFIED |
| CPColorado Petroleum, INC | Denver | CO | — | ◇ UNVERIFIED |
| CSColorite Specialty Resins | Burlington Township | NJ | — | ◇ UNVERIFIED |
| CPColumbine Plastic CORP | Boulder | CO | — | ◇ UNVERIFIED |
| CSComet Street Llc, Formerly Southland Oil Company | Yazoo City | MS | — | ◇ UNVERIFIED |
| CTComet Tool CO INC | Pitman | NJ | — | ◇ UNVERIFIED |
| CCComplementary Coatings CORP | Edgewater | FL | — | ◇ UNVERIFIED |
| CComposecure | Somerset | NJ | — | ◇ UNVERIFIED |
| CPComposite Product Division Freeport | Freeport | TX | — | ◇ UNVERIFIED |
| CFConcept Fiberglass | Grand Island | NE | — | ◇ UNVERIFIED |
| CSConcise Separations | San Jose | CA | — | ◇ UNVERIFIED |
