| CCCarol Callahan | Oakdale | LA | — | ◇ UNVERIFIED |
| CICarolina Inks/chromascape | Chino | CA | — | ◇ UNVERIFIED |
| CWCary/apex Water Treatment Plant, Town of Cary | Apex | NC | — | ◇ UNVERIFIED |
| CCb&i | Haverhill | OH | — | ◇ UNVERIFIED |
| CCCci Chemical | Vernon | CA | — | ◇ UNVERIFIED |
| CACdti Advanced Materials, INC. | Oxnard | CA | — | ◇ UNVERIFIED |
| CVCentinela Valley Endoscopy Center | Inglewood | CA | — | ◇ UNVERIFIED |
| CICentral Ink Dba C&w Pressroom Products | West Chicago | IL | — | ◇ UNVERIFIED |
| CCCeramic Color & Chemical Manufacturer | Sewickley | PA | — | ◇ UNVERIFIED |
| CCCeramic Color & Chemical Manufacturing Company, INC. | New Brighton | PA | — | ◇ UNVERIFIED |
| CNCfs North America LLC | Urbandale | IA | — | ◇ UNVERIFIED |
| CNCfs North America LLC | Urbandale | IA | — | ◇ UNVERIFIED |
| CCChang Chun Arizona | Casa Grande | AZ | — | ◇ UNVERIFIED |
| CCChannel Chemical Corporation | Gulfport | MS | — | ◇ UNVERIFIED |
| CDCheckerspot Dba Wndr Alpine | Salt Lake City | UT | — | ◇ UNVERIFIED |
| CICheckerspot INC | Salt Lake City | UT | — | ◇ UNVERIFIED |
| CAChem Aqua INC. | Los Angeles | CA | — | ◇ UNVERIFIED |
| CChematron | Charlotte | NC | — | ◇ UNVERIFIED |
| CSChemcia Scientific LLC | San Diego | CA | — | ◇ UNVERIFIED |
| CUChemetall US INC | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| CCChemgenes Corporation | Billerica | MA | — | ◇ UNVERIFIED |
| CMChemical Mfg Faclty | Catoosa | OK | — | ◇ UNVERIFIED |
| CIChemicals Incorporated | Bay City | TX | — | ◇ UNVERIFIED |
 Chemical Solvents INC. | Cleveland | OH | — | ◇ UNVERIFIED |
| CIChemisis, INC | Huntington Park | CA | — | ◇ UNVERIFIED |
| CVChemours Vcp Pascagoula | Pascagoula | MS | — | ◇ UNVERIFIED |
| CCChempoint C/o Gateway Whse | Calumet City | IL | — | ◇ UNVERIFIED |
| CCChempoint C/o N American Whse | Bedford Park | IL | — | ◇ UNVERIFIED |
| CPChem Pro Laboratory, INC. | San Diego | CA | — | ◇ UNVERIFIED |
| CLChemtrade Logistics (us) INC. | Augusta | GA | — | ◇ UNVERIFIED |
| CSChemtrade Solutions | Odem | TX | — | ◇ UNVERIFIED |
| CSChemtrade Solutions INC. | Denver | CO | — | ◇ UNVERIFIED |
| CSChemtrade Solutions LLC | Catawba | SC | — | ◇ UNVERIFIED |
| CSChemtrade Solutions, LLC | Jakin | GA | — | ◇ UNVERIFIED |
| CSChemtrade Solutions Site | Kennewick | WA | — | ◇ UNVERIFIED |
| CSChemtrade Solutions - Wisconsin Rapids | Wisconsin Rapids | WI | — | ◇ UNVERIFIED |
| CLChem-trend LP | San Bernardino | CA | — | ◇ UNVERIFIED |
| CCChemtura Corporation Dba Hatco | Fords | NJ | — | ◇ UNVERIFIED |
| CRCheyenne Renewable Diesel Company | Laramie | WY | — | ◇ UNVERIFIED |
| CDChurch & Dwight Co., INC. | Old Fort | OH | — | ◇ UNVERIFIED |
| CCCi Chemicals Oregon | Mcminnville | OR | — | ◇ UNVERIFIED |
| CICil Isotope Separations, INC. (0829100409) | Xenia | OH | — | ◇ UNVERIFIED |
| CNCima Nanotech - Westgate Site | Saint Paul | MN | — | ◇ UNVERIFIED |
| CFCity F El Centro | El Centro | CA | — | ◇ UNVERIFIED |
| COCity of Bay City | Tillamook | OR | — | ◇ UNVERIFIED |
| COCity of Hope Radiation Oncology LLC. | San Bernardino | CA | — | ◇ UNVERIFIED |
| COCity of Modesto | Modesto | CA | — | ◇ UNVERIFIED |
| CMCk Materials INC | Racine | WI | — | ◇ UNVERIFIED |
| CCClariant Corporation | Albion | MI | — | ◇ UNVERIFIED |
| CCClariant Corporation, Louisville South Plant | Louisville | KY | — | ◇ UNVERIFIED |
