| CJCaptain John Dulamge | Manhattan Beach | CA | — | ◇ UNVERIFIED |
| CRCarbide Recycling Company | Commerce Township | MI | — | ◇ UNVERIFIED |
 Carbon Activated Corporation | Hamburg | NY | — | ◇ UNVERIFIED |
| CFCarbon Filtration Systems | Johnston | RI | — | ◇ UNVERIFIED |
| CRCarbon Regeneration Facility | Crosby | TX | — | ◇ UNVERIFIED |
| CSCargill Salt, INC. | Breaux Bridge | LA | — | ◇ UNVERIFIED |
| CPCarlisle Polyurethane Systems | Waukesha | WI | — | ◇ UNVERIFIED |
| COCarson Oil Portland | Portland | OR | — | ◇ UNVERIFIED |
| CICastrol INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| CICastrol Industrial North Ameri | Hawthorne | CA | — | ◇ UNVERIFIED |
| CICatapower INC | Pasadena | CA | — | ◇ UNVERIFIED |
| CICatapower INC | Pasadena | CA | — | ◇ UNVERIFIED |
| CXC&a Xray INC | Paramount | CA | — | ◇ UNVERIFIED |
| CCCci Chemical Corporation | Las Vegas | NV | — | ◇ UNVERIFIED |
| CPCc Packaging LLC | Levittown | PA | — | ◇ UNVERIFIED |
| CTCcr Technologies, INC. | Portable | CO | — | ◇ UNVERIFIED |
| CTCc Tech LLC | Berkeley | CA | — | ◇ UNVERIFIED |
| CWCc Wellness LLC | Valencia | CA | — | ◇ UNVERIFIED |
| CWCc Wellness LLC | Valencia | CA | — | ◇ UNVERIFIED |
| CPCeara Products INC | Denver | CO | — | ◇ UNVERIFIED |
| CCerilliant | Austin | TX | — | ◇ UNVERIFIED |
| CTCesars Taller Mecanico | Fairfield | CA | — | ◇ UNVERIFIED |
| CRC.F.B. Real Estate Corp. | Bristol | IN | — | ◇ UNVERIFIED |
| CFCfs Feedstock LLC | Montgomery | IL | — | ◇ UNVERIFIED |
| CICgh-ev INC | Evansville | IN | — | ◇ UNVERIFIED |
| CDChaitanya Dave and Amita Dave,Trustees of the Dave Family Living Trust | Rancho Palos Verdes | CA | — | ◇ UNVERIFIED |
| CGChampionx -- Garyville Facility | Mount Airy | LA | — | ◇ UNVERIFIED |
 Charm Sciences, INC. | Lawrence | MA | — | ◇ UNVERIFIED |
| CCChase Corporation | Greenville | SC | — | ◇ UNVERIFIED |
| CCChattem Chemicals, INC. | Chattanooga | TN | — | ◇ UNVERIFIED |
| CLChem2o LLC | Herndon | PA | — | ◇ UNVERIFIED |
| CWChemco Water Technology Site | Vancouver | WA | — | ◇ UNVERIFIED |
| CBChemical Blending and Packagi | Mills | WY | — | ◇ UNVERIFIED |
| CLChemical Laboratories | Tampa | FL | — | ◇ UNVERIFIED |
 Chemical Manufacturers, INC. | Compton | CA | — | ◇ UNVERIFIED |
| CIChemicals, INC. | Fontana | CA | — | ◇ UNVERIFIED |
| CTChemical Technologies LLC | Elizabethton | TN | — | ◇ UNVERIFIED |
| CIChem Inventions LLC | Whippany | NJ | — | ◇ UNVERIFIED |
| CIChem Inventions LLC | Parsippany | NJ | — | ◇ UNVERIFIED |
| CChem-ship | East Point | GA | — | ◇ UNVERIFIED |
| CIChemstream INC Indiana Branch | Indiana | PA | — | ◇ UNVERIFIED |
| CSChem-Tech Solutions, Inc. | Gastonia | NC | — | ◇ UNVERIFIED |
| CAChemtreat at Terminal Warehouse | Akron | OH | — | ◇ UNVERIFIED |
| CEChemtreat (c/o Extra Space Storage) | Newport News | VA | — | ◇ UNVERIFIED |
| CCChemtreat Containers - American Storage & Distribution | Catano | PR | — | ◇ UNVERIFIED |
| CRChemtreat (c/o Roysoncorp) | Rockaway | NJ | — | ◇ UNVERIFIED |
| CCChemtreat C/o Tyler Moving and Storage | Dover | OH | — | ◇ UNVERIFIED |
| CWChemtreat (hawaii Warehouse) | Honolulu | HI | — | ◇ UNVERIFIED |
| CIChemtreat, INC | Hialeah | FL | — | ◇ UNVERIFIED |
| CRChemtreat (red River Supply Warehouse) | Williston | ND | — | ◇ UNVERIFIED |
| CWChemtreat (savage Warehouse) | Auburn | ME | — | ◇ UNVERIFIED |
| CCChevron Chemical Company | Richmond | CA | — | ◇ UNVERIFIED |
| CPChevron Pipe Line Company, Rosecrans and Main | Gardena | CA | — | ◇ UNVERIFIED |
| CAChileno's Auto Repair | Spring Valley | CA | — | ◇ UNVERIFIED |
| CSChris Schaffner | Poway | CA | — | ◇ UNVERIFIED |
| CSChristy Suiter | Hayward | CA | — | ◇ UNVERIFIED |
| CIChryso, INC | Zellwood | FL | — | ◇ UNVERIFIED |
| CIChryso Incorporated | Charlestown | IN | — | ◇ UNVERIFIED |
| CNCie Nd Warehouse (chemtreat Containers) | Commerce | CA | — | ◇ UNVERIFIED |
| CLCiim, LLC | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| CMCine Mechanic INC | Chatsworth | CA | — | ◇ UNVERIFIED |
| CPCitgo Petroleum CORP | Cicero | IL | — | ◇ UNVERIFIED |
| COCity of El Monte Transportation | El Monte | CA | — | ◇ UNVERIFIED |
| COCity of Jurupa Valley | Jurupa Valley | CA | — | ◇ UNVERIFIED |
| COCity of Long Beach | Long Beach | CA | — | ◇ UNVERIFIED |
| COCity of Perris | Perris | CA | — | ◇ UNVERIFIED |
| CTClancys Towing | El Cajon | CA | — | ◇ UNVERIFIED |
| CCClariant Corporation - Palo Alto | Palo Alto | CA | — | ◇ UNVERIFIED |
| CPClariant Plastics & Coating USA INC Chino | Chino | CA | — | ◇ UNVERIFIED |
| CBClark Bros INC | Livermore | CA | — | ◇ UNVERIFIED |
| CAClean Advantage | Taylors | SC | — | ◇ UNVERIFIED |
| CHClean Harbors Wichita, LLC (2932 N. Ohio) (stormwater) | Wichita | KS | — | ◇ UNVERIFIED |
| COClipper Oil, INC | Port Hueneme | CA | — | ◇ UNVERIFIED |
| CCClippinger Chevy | West Covina | CA | — | ◇ UNVERIFIED |
| CIClm Intl CORP | Sheridan | CO | — | ◇ UNVERIFIED |
| CNCloud Nine Vapor LLC | Butler | PA | — | ◇ UNVERIFIED |
| CICmcms INC | Foley | MN | — | ◇ UNVERIFIED |
| CSCmi Specialty Systems LLC | Auburn Hills | MI | — | ◇ UNVERIFIED |
| CBCmj Brothers | Paramount | CA | — | ◇ UNVERIFIED |
| CCCms Chemicals LLC | Roseland | LA | — | ◇ UNVERIFIED |
| CCCoastal Chemical Co., LLC - Rock Springs | Sweetwater | WY | — | ◇ UNVERIFIED |
| CICoastal Industrial Company, INC. | Townsend | GA | — | ◇ UNVERIFIED |
| CUCoastal Unilube INC - Jefferson St. | West Memphis | AR | — | ◇ UNVERIFIED |
| CCobbpropertyservices@gmail.com | Anaheim | CA | — | ◇ UNVERIFIED |
| CMCollier Manufacturing LLC | Manchester | TN | — | ◇ UNVERIFIED |
| CCColumbus Chemical Industries at Ampac | Rancho Cordova | CA | — | ◇ UNVERIFIED |
| CPCommercial Pattern, INC | Hayward | CA | — | ◇ UNVERIFIED |
| CSCommercial Steel | Compton | CA | — | ◇ UNVERIFIED |
| CMCompass Minerals America INC. | Chicago | IL | — | ◇ UNVERIFIED |
| CACompetitive Advantage Group INC | Murrieta | CA | — | ◇ UNVERIFIED |
| CPConju Probe LLC | San Diego | CA | — | ◇ UNVERIFIED |
| CLConju-probe LLC | San Diego | CA | — | ◇ UNVERIFIED |
| CFConnecticut Fire Equipment, INC. | Putnam | CT | — | ◇ UNVERIFIED |
| CCConsolidated Chemicals & Solvents (ccs) | Quakertown | PA | — | ◇ UNVERIFIED |
| CCContinental Carbonic Products, INC. | Dallas | TX | — | ◇ UNVERIFIED |
| CMConway Motorsports | Modesto | CA | — | ◇ UNVERIFIED |
| CLCook Land Development | Clovis | CA | — | ◇ UNVERIFIED |
| CFCopeland Faith Partners, LLC | Zephyrhills | FL | — | ◇ UNVERIFIED |
| CCCopper Care Wood Preservatives, Inc. | Columbus | NE | — | ◇ UNVERIFIED |
| CHCopper Harbor Company | San Leandro | CA | — | ◇ UNVERIFIED |
